Name: Gerald Melzer
Country: Austria
Birthdate: 13.07.90, 34 years
ATP ranking: 871
TOP ranking's position: 68 (02.01.17, 728 points)
Points: 22
Prize money: 990.350 $
Matches total: 753
Win: 443
%: 58.83 %
Country: Austria
Birthdate: 13.07.90, 34 years
ATP ranking: 871
TOP ranking's position: 68 (02.01.17, 728 points)
Points: 22
Prize money: 990.350 $
Matches total: 753
Win: 443
%: 58.83 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 17/12 | 0/0 | 17/12 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2023 | 20/13 | 0/0 | 20/13 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2022 | 13/18 | 0/1 | 13/16 | 0/0 | 0/0 | 0/1 | 0/0 |
| 2021 | 24/14 | 0/0 | 24/13 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2019 | 1/2 | 0/0 | 1/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 15/21 | 4/3 | 10/17 | 0/0 | 0/0 | 1/1 | 0/0 |
| 2017 | 45/25 | 2/4 | 41/17 | 0/3 | 0/0 | 2/1 | 0/0 |
| 2016 | 52/25 | 5/1 | 45/20 | 0/3 | 0/0 | 2/1 | 0/0 |
| 2015 | 33/28 | 6/6 | 26/20 | 1/1 | 0/0 | 0/1 | 0/0 |
| 2014 | 33/28 | 7/3 | 24/19 | 2/6 | 0/0 | 0/0 | 0/0 |
| 2013 | 47/29 | 0/1 | 47/26 | 0/2 | 0/0 | 0/0 | 0/0 |
| 2012 | 60/26 | 1/2 | 59/24 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2011 | 42/27 | 5/5 | 37/21 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2010 | 31/18 | 0/0 | 30/15 | 1/2 | 0/1 | 0/0 | 0/0 |
| 2009 | 2/16 | 0/0 | 2/13 | 0/1 | 0/2 | 0/0 | 0/0 |
| 2008 | 8/8 | 2/2 | 6/6 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 443/310 | 32/28 | 402/254 | 4/20 | 0/3 | 5/5 | 0/0 |
| perc. % | 58.83 % | 53.33 % | 61.28 % | 16.67 % | 0 % | 50 % | 0 % |
Gerald Melzer / Fixtures
| no matches found |
Gerald Melzer form / surface: Clay
Gerald Melzer / surface: Clay
| 14.10.24 | qual. | Gerald Melzer | Giacomo Crisostomo | 6-2, 6-3 |  | match details |  M25 Santa | Clay |
| 13.10.24 | q 1 | Gerald Melzer | Peter Jakub Homola | 6-0, 6-0 | | match details | ||
| 15.09.24 | q 1 | Marko Topo | Gerald Melzer | 3-6, 6-4, 6-3 |  | match details |  Bad Waltersdorf | Clay |
| 01.09.24 | q 1 | Max Hans Rehberg | Gerald Melzer | 6-3, 6-4 | | match details | Tulln Challenger | Clay |
| 26.08.24 | 1st round | Pablo Masjuan Ginel | Gerald Melzer | 6-4, 7-5 | | match details |  M25 Oviedo | Clay |
| 23.06.24 | q 1 | Alessandro Giannessi | Gerald Melzer | 7-65, 2-6, 6-3 | | match details | Milan Challenger | Clay |
| 20.05.24 | qual. | Sergey Fomin | Gerald Melzer | 6-3, 6-4 | | match details |  Skopje Challenger | Clay |
| 19.05.24 | q 1 | Gerald Melzer | Nikola Milojevic | 6-1, 6-4 | | match details | ||
| 10.05.24 | 1/4 | Jozef Kovalik | Gerald Melzer | 7-66, 6-3 | | match details | Mauthausen Challenger | Clay |
| 09.05.24 | 2nd round | Gerald Melzer | Roman Andres Burruchaga | 6-4, 6-4 | | match details | ||
| 07.05.24 | 1st round | Gerald Melzer | Jerome Kym | 6-2, 3-6, 6-3 | | match details | ||
| 06.05.24 | qual. | Gerald Melzer | Louis Wessels | 6-4, 6-3 | | match details | ||
| 05.05.24 | q 1 | Gerald Melzer | Neil Oberleitner | 7-5, 7-5 | | match details | ||
| 22.04.24 | qual. | Gabi Adrian Boitan | Gerald Melzer | 6-1, 5-7, 6-3 | | match details |  Savannah Challenger | Clay |
| 21.04.24 | q 1 | Gerald Melzer | Gerard Campana Lee | Gerard Campana Lee - walk over | | match details | ||
| 19.04.24 | 1/4 | Zizou Bergs | Gerald Melzer | 6-1, 6-4 | | match details | Tallahassee Challenger | Clay |
| 18.04.24 | 2nd round | Gerald Melzer | Federico Agustin Gomez | 4-6, 7-68, 7-66 | | match details | ||
| 16.04.24 | 1st round | Gerald Melzer | Kyle Edmund | 6-4, 6-1 | | match details | ||
| 15.04.24 | qual. | Gerald Melzer | Kyle Edmund | 2-6, 6-0, 6-3 | | match details | ||
| 14.04.24 | q 1 | Gerald Melzer | Alexander Frusina | 6-2, 6-4 | | match details | ||
| 07.04.24 | q 1 | Kyle Edmund | Gerald Melzer | 6-1, 6-4 | | match details | Sarasota Challenger | Clay |
| 12.03.24 | 1st round | Santiago Rodriguez Taverna | Gerald Melzer | 6-3, 4-6, 7-65 | | match details |  Szekesfehervar Challenger | Clay |
| 11.03.24 | qual. | Gerald Melzer | Mathys Erhard | 6-3, 6-1 | | match details | ||
| 10.03.24 | q 1 | Gerald Melzer | Carlos Sanchez Jover | 6-0, 6-2 | | match details | ||
| 15.02.24 | 1st round | Gerald Melzer | Jorge Martinez Martinez | 7-66, 2-6, 6-1 | | match details |  M25 Antalya | Clay |
| 15.02.24 | 2nd round | Vilius Gaubas | Gerald Melzer | 6-2, 6-2 | | match details | ||
| 10.02.24 | 1/4 | Mathys Erhard | Gerald Melzer | 4-6, 6-2, 7-66 | | match details | M25 Antalya | Clay |
| 08.02.24 | 2nd round | Gerald Melzer | Arthur Gea | 6-2, 6-2 | | match details | ||
| 06.02.24 | 1st round | Gerald Melzer | Anthony Genov | 7-5, 6-1 | | match details | ||
| 18.09.23 | qual. | Andrea Picchione | Gerald Melzer | 6-3, 7-66 | | match details | Bad Waltersdorf | Clay |
| 17.09.23 | q 1 | Gerald Melzer | Oriol Roca Batalla | 7-63, 6-3 | | match details | ||
| 07.09.23 | 2nd round | Albert Ramos-Vinolas | Gerald Melzer | 6-3, 6-2 | | match details | Tulln Challenger | Clay |
| 05.09.23 | 1st round | Gerald Melzer | Sandro Kopp | 6-3, 6-4 | | match details | ||
| 04.09.23 | qual. | Gerald Melzer | Blaz Rola | 6-4, 6-4 | | match details | ||
| 03.09.23 | q 1 | Gerald Melzer | Tommaso Compagnucci | 7-64, 3-6, 6-3 | | match details | ||
| 02.09.23 | 1/2 | Peter Heller | Gerald Melzer | 7-65, 7-5 | | match details | M15 Vienna | Clay |
| 01.09.23 | 1/4 | Gerald Melzer | John Sperle | 6-2, 6-0 | | match details | ||
| 31.08.23 | 2nd round | Gerald Melzer | Jan Kobierski | 6-2, 6-1 | | match details | ||
| 30.08.23 | 1st round | Gerald Melzer | Luka Miklavcic | 6-2, 6-1 | | match details | ||
| 17.08.23 | 2nd round | Matej Dodig | Gerald Melzer | 6-4, 7-5 | | match details | M15 Kottingbrunn | Clay |
| 16.08.23 | 1st round | Gerald Melzer | Tomas Lanik | 6-4, 6-2 | | match details | ||
| 28.06.23 | 2nd round | Eduardo Ribeiro | Gerald Melzer | 6-3, 6-4 | | match details |  Medellin Challenger | Clay |
| 27.06.23 | 1st round | Gerald Melzer | Jose Statham | 1-6, 6-4, 7-60 | | match details | ||
| 22.06.23 | 1/4 | Pedro Sakamoto | Gerald Melzer | 6-74, 6-4, 7-68 | | match details | Cali Challenger | Clay |
| 21.06.23 | 2nd round | Gerald Melzer | Orlando Luz | 6-4, 7-65 | | match details | ||
| 19.06.23 | 1st round | Gerald Melzer | Joao Lucas Reis Da Silva | 6-3, 3-6, 6-3 | | match details | ||
| 13.06.23 | 1st round | Dimitar Kuzmanov | Gerald Melzer | 6-2, 6-3 | | match details |  Bratislava 1 | Clay |
| 12.06.23 | q 1 | Gerald Melzer | Michal Krajci | 3-6, 6-3, 6-2 | | match details | ||
| 12.06.23 | qual. | Gerald Melzer | Timo Stodder | 7-61, 6-3 | | match details | ||
| 04.06.23 | q 1 | Matheus Pucinelli De Almeida | Gerald Melzer | 6-4, 6-4 | | match details |  Prostejov Challenger | Clay |
| 10.05.23 | 2nd round | Facundo Bagnis | Gerald Melzer | 6-4, 4-6, 6-3 | | match details | Mauthausen Challenger | Clay |
| 08.05.23 | 1st round | Gerald Melzer | James McCabe | 7-61, 1-6, 6-0 | | match details | ||
| 24.04.23 | qual. | Khumoun Sultanov | Gerald Melzer | 6-1, 6-2 | | match details | Ostrava Challenger | Clay |
| 23.04.23 | q 1 | Gerald Melzer | Alejandro Moro Canas | 6-1, 3-6, 6-1 | | match details | ||
| 26.03.23 | q 1 | Dmitry Popko | Gerald Melzer | 4-6, 7-5, 6-1 | | match details |  Mexico City | Clay |
| 20.03.23 | qual. | David Pichler | Gerald Melzer | 5-7, 6-3, 7-5 | | match details |  Zadar Challenger | Clay |
| 19.03.23 | q 1 | Gerald Melzer | Tommaso Compagnucci | 6-1, 6-1 | | match details | ||
| 14.03.23 | 1st round | Adrian Andreev | Gerald Melzer | 6-74, 6-3, 7-62 | | match details | Szekesfehervar Challenger | Clay |
| 13.03.23 | qual. | Gerald Melzer | Michael Vrbensky | 6-4, 6-4 | | match details | ||
| 12.03.23 | q 1 | Gerald Melzer | Attila Boros | 6-2, 6-3 | | match details | ||
| 06.03.23 | qual. | Gerald Melzer | Rudolf Molleker | 6-1, 4-6, 6-4 | | match details | Antalya Challenger | Clay |
| 05.03.23 | q 1 | Gerald Melzer | Bogdan Bobrov | 6-3, 6-1 | | match details | ||
| 02.11.22 | 1st round | Juan Manuel Cerundolo | Gerald Melzer | 6-4, 6-2 | | match details |  Guayaquil Challenger | Clay |
| 27.10.22 | 2nd round | Felipe Meligeni Alves | Gerald Melzer | 6-3, 6-1 | | match details |  Lima 2 | Clay |
| 25.10.22 | 1st round | Gerald Melzer | Juan Pablo Varillas | 6-3, 6-4 | | match details | ||
| 18.10.22 | 1st round | Nicolas Mejia | Gerald Melzer | 7-5, 7-66 | | match details | Ambato Challenger | Clay |
| 06.09.22 | 1st round | Ivan Gakhov | Gerald Melzer | 6-2, 7-5 | | match details | Tulln Challenger | Clay |
| 16.08.22 | 1st round | Pedro Cachin | Gerald Melzer | 6-4, 6-1 | | match details |  Santo Domingo | Clay |
| 26.07.22 | 1st round | Yannick Hanfmann | Gerald Melzer | 6-4, 1-1, Gerald Melzer - retired | | match details | Kitzbuhel | Clay |
| 24.07.22 | qual. | Gerald Melzer | Ivan Gakhov | 6-3, 3-6, 6-3 | | match details | ||
| 23.07.22 | q 1 | Gerald Melzer | Hamad Medjedovic | 2-6, 6-2, 6-2 | | match details | ||
| 22.07.22 | 1/4 | Laurent Lokoli | Gerald Melzer | 7-65, 4-6, 7-5 | | match details |  Tampere Challenger | Clay |
| 20.07.22 | 2nd round | Gerald Melzer | Sebastian Ofner | 6-3, 7-64 | | match details | ||
| 19.07.22 | 1st round | Gerald Melzer | Mats Moraing | 6-75, 6-4, 6-1 | | match details | ||
| 10.07.22 | fin | Juan Pablo Ficovich | Gerald Melzer | 6-1, 6-2 | | match details | Bogota Challenger | Clay |
| 09.07.22 | 1/2 | Gerald Melzer | Miljan Zekic | 6-1, 2-6, 6-4 | | match details | ||
| 08.07.22 | 1/4 | Gerald Melzer | Nicolas Alvarez | 3-6, 6-3, 7-5 | | match details | ||
| 07.07.22 | 2nd round | Gerald Melzer | Evan Zhu | 7-63, 7-5 | | match details | ||
| 05.07.22 | 1st round | Gerald Melzer | Adrian Menendez-Maceiras | 7-5, 0-6, 6-3 | | match details | ||
| 29.06.22 | 2nd round | Yunseong Chung | Gerald Melzer | 6-4, 6-2 | | match details | Cali Challenger | Clay |
| 28.06.22 | 1st round | Gerald Melzer | Mateo Gomez | 6-0, 6-0 | | match details | ||
| 05.05.22 | 2nd round | Dennis Novak | Gerald Melzer | 2-6, 6-3, 0-0, Gerald Melzer - retired | | match details | Mauthausen Challenger | Clay |
| 03.05.22 | 1st round | Gerald Melzer | Borna Gojo | 6-4, 6-3 | | match details | ||
| 19.04.22 | 1st round | Ernesto Escobedo | Gerald Melzer | 6-3, 3-6, 6-3 | | match details | Aguascalientes Challenger | Clay |
| 12.04.22 | 1st round | Nicolas Jarry | Gerald Melzer | 2-6, 6-3, 7-64 | | match details | San Luis | Clay |
| 07.04.22 | 1/4 | Nicolas Jarry | Gerald Melzer | 7-64, 7-5 | | match details | Mexico City | Clay |
| 06.04.22 | 2nd round | Gerald Melzer | Nicolas Barrientos | 6-1, 6-1 | | match details | ||
| 04.04.22 | 1st round | Gerald Melzer | Stefan Kozlov | 6-4, 0-0, Stefan Kozlov - retired | | match details | ||
| 30.03.22 | 1st round | Facundo Bagnis | Gerald Melzer | 7-5, 0-0, Gerald Melzer - retired | | match details | Pereira Challenger | Clay |
| 22.03.22 | 1st round | Daniel Dutra Da Silva | Gerald Melzer | 6-2, 6-3 | | match details |  Santa Cruz | Clay |
| 14.03.22 | 1st round | Camilo Ugo Carabelli | Gerald Melzer | 3-6, 6-3, 7-5 | | match details |  Concepcion 2 | Clay |
| 14.12.21 | 1st round | Goncalo Oliveira | Gerald Melzer | 4-6, 6-4, 7-63 | | match details |  Maia 2 | Clay |
| 28.10.21 | 2nd round | Alejandro Tabilo | Gerald Melzer | 6-3, 6-3 | | match details | Lima 2 | Clay |
| 26.10.21 | 1st round | Gerald Melzer | Jean Thirouin | 6-3, 6-1 | | match details | ||
| 24.10.21 | fin | Gerald Melzer | Facundo Mena | 6-2, 3-6, 7-65 | | match details | Bogota Challenger | Clay |
| 23.10.21 | 1/2 | Gerald Melzer | Nicolas Barrientos | 6-2, 6-75, 6-1 | | match details | ||
| 22.10.21 | 1/4 | Gerald Melzer | Nicolas Mejia | 6-0, 6-4 | | match details | ||
| 20.10.21 | 2nd round | Gerald Melzer | Daniel Elahi Galan | 7-65, 6-2 | | match details | ||
| 19.10.21 | 1st round | Gerald Melzer | Orlando Luz | 7-5, 6-2 | | match details | ||
| 15.10.21 | 1/4 | Felipe Meligeni Alves | Gerald Melzer | 6-3, 5-7, 7-5 | | match details | Santiago 3 | Clay |
| 14.10.21 | 2nd round | Gerald Melzer | Thiago Agustin Tirante | 6-2, 6-0 | | match details | ||
| 12.10.21 | 1st round | Gerald Melzer | Nicolas Jarry | 7-62, 6-4 | | match details | ||
| 08.10.21 | 1/4 | Juan Pablo Varillas | Gerald Melzer | 6-1, 6-3 | | match details | Santiago 2 | Clay |
| 07.10.21 | 2nd round | Gerald Melzer | Thiago Agustin Tirante | 6-4, 6-2 | | match details | ||
| 05.10.21 | 1st round | Gerald Melzer | Guido Andreozzi | 6-2, 6-4 | | match details | ||
| 02.10.21 | 1/2 | Camilo Ugo Carabelli | Gerald Melzer | 6-1, 7-5 | | match details | Lima Challenger | Clay |
| 01.10.21 | 1/4 | Gerald Melzer | Eduard Esteve Lobato | 6-2, 3-0, Eduard Esteve Lobato - retired | | match details | ||
| 30.09.21 | 2nd round | Gerald Melzer | Oriol Roca Batalla | 6-4, 7-65 | | match details | ||
| 28.09.21 | 1st round | Gerald Melzer | Juan Pablo Ficovich | 6-3, 7-62 | | match details | ||
| 24.09.21 | 1/4 | Thiago Agustin Tirante | Gerald Melzer | 6-3, 6-4 | | match details | Ambato Challenger | Clay |
| 23.09.21 | 2nd round | Gerald Melzer | Julian Lenz | 6-3, 7-5 | | match details | ||
| 22.09.21 | 1st round | Gerald Melzer | Patrick Kypson | 6-77, 6-1, 6-4 | | match details | ||
| 07.09.21 | 1st round | Felipe Meligeni Alves | Gerald Melzer | 6-2, 3-6, 7-5 | | match details | Tulln Challenger | Clay |
| 10.08.21 | 1st round | Emilio Nava | Gerald Melzer | 3-6, 6-2, 6-1 | | match details | Prague 2 | Clay |
| 06.08.21 | 1/4 | Tomas Machac | Gerald Melzer | 7-68, 6-4 | | match details | Liberec Challenger | Clay |
| 05.08.21 | 2nd round | Gerald Melzer | Evan Furness | 6-4, 6-2 | | match details | ||
| 03.08.21 | 1st round | Gerald Melzer | Andrej Martin | 6-3, 5-7, 6-4 | | match details | ||
| 18.07.21 | 1/4 | Filip Misolic | Gerald Melzer | 7-611, 6-1 | | match details | M25 Telfs | Clay |
| 16.07.21 | 2nd round | Gerald Melzer | Philip Bachmaier | 6-0, 6-2 | | match details | ||
| 14.07.21 | 1st round | Gerald Melzer | Nick Hardt | 6-4, 6-2 | | match details | ||
| 06.07.21 | 1st round | Federico Coria | Gerald Melzer | 6-3, 6-4 | | match details | Salzburg Anif | Clay |
| 11.05.21 | qual. | Adrian Mateo Bejenaru | Gerald Melzer | 5-5, Gerald Melzer - retired | | match details | M15 Antalya | Clay |
| 10.05.21 | q 2 | Gerald Melzer | Davide Galoppini | 1-6, 6-1, 10-8 | | match details | ||
| 09.05.21 | q 1 | Gerald Melzer | Michal Novansky | 6-2, 6-2 | | match details | ||
| 05.05.21 | 1st round | Lucas Gerch | Gerald Melzer | 7-65, 4-6, 6-4 | | match details | M15 Antalya | Clay |
| 04.05.21 | qual. | Gerald Melzer | Mick Veldheer | 6-4, 7-5 | | match details | ||
| 03.05.21 | q 2 | Gerald Melzer | Antonio Massara | 6-2, 6-3 | | match details | ||
| 02.05.21 | q 1 | Gerald Melzer | Keisuke Saitoh | 6-4, 6-2 | | match details | ||
| 20.05.19 | q 1 | Alexey Vatutin | Gerald Melzer | 2-6, 6-1, 7-5 | | match details |  Paris | Clay |
| 09.05.19 | 3rd round | Tomas Barrios Vera | Gerald Melzer | 6-4, 6-1 | | match details |  Shymkent Challenger | Clay |
| 08.05.19 | 2nd round | Gerald Melzer | Edan Leshem | 6-2, 6-1 | | match details | ||
| 30.10.18 | 1st round | Federico Coria | Gerald Melzer | 6-2, 6-4 | | match details | Guayaquil Challenger | Clay |
| 23.10.18 | 1st round | Paolo Lorenzi | Gerald Melzer | 7-62, 7-63 | | match details | Lima Challenger | Clay |
| 11.10.18 | 2nd round | Paolo Lorenzi | Gerald Melzer | 7-67, 7-63 | | match details | Santo Domingo | Clay |
| 08.10.18 | 1st round | Gerald Melzer | Pedro Cachin | 6-2, 2-0, Pedro Cachin - retired | | match details | ||
| 29.07.18 | qual. | Martin Klizan | Gerald Melzer | 6-1, 6-3 | | match details | Kitzbuhel | Clay |
| 28.07.18 | q 1 | Gerald Melzer | Blaz Rola | 6-4, 0-1, Blaz Rola - retired | | match details | ||
| 24.07.18 | 1st round | Miljan Zekic | Gerald Melzer | 1-5, Gerald Melzer - retired | | match details | Padova Challenger | Clay |
| 19.07.18 | 2nd round | Richard Gasquet | Gerald Melzer | 1-6, 6-3, 6-1 | | match details |  Bastad | Clay |
| 17.07.18 | 1st round | Gerald Melzer | Corentin Moutet | 6-1, 6-1 | | match details | ||
| 10.07.18 | 1st round | Tomislav Brkic | Gerald Melzer | 6-1, 1-6, 7-64 | | match details | Perugia Challenger | Clay |
| 20.06.18 | 2nd round | Zdenek Kolar | Gerald Melzer | 6-4, Gerald Melzer - retired | | match details | Poprad Tatry | Clay |
| 19.06.18 | 1st round | Gerald Melzer | Pavel Nejedly | 6-2, 6-2 | | match details | ||
| 12.06.18 | 1st round | Cristian Garin | Gerald Melzer | 6-3, 6-3 | | match details | Lyon Challenger | Clay |
| 08.06.18 | 1/2 | Jaume Antoni Munar Clar | Gerald Melzer | 4-6, 6-3, 6-2 | | match details | Prostejov Challenger | Clay |
| 07.06.18 | 1/4 | Gerald Melzer | Salvatore Caruso | 6-4, 6-3 | | match details | ||
| 06.06.18 | 2nd round | Gerald Melzer | Vaclav Safranek | 6-1, 6-0 | | match details | ||
| 05.06.18 | 1st round | Gerald Melzer | Marek Jaloviec | 6-3, 6-0 | | match details | ||
| 21.05.18 | q 1 | Alessandro Giannessi | Gerald Melzer | 7-62, 6-2 | | match details | Paris | Clay |
| 01.05.18 | 1st round | Thiago Moura Monteiro | Gerald Melzer | 6-2, 3-6, 6-1 | | match details | Istanbul | Clay |
| 21.04.18 | q 1 | Lorenzo Sonego | Gerald Melzer | 6-3, 6-2 | | match details | Budapest | Clay |
| 28.03.18 | 1st round | Jan Choinski | Gerald Melzer | 6-1, 3-1, Gerald Melzer - retired | | match details | San Luis | Clay |
| 26.02.18 | 1st round | Guillermo Garcia-Lopez | Gerald Melzer | 6-4, 3-6, 6-3 | | match details |  Sao Paulo | Clay |
| 20.02.18 | 1st round | Pablo Andujar | Gerald Melzer | 7-5, 6-2 | | match details | Rio de | Clay |
| 09.02.18 | 1/4 | Albert Ramos-Vinolas | Gerald Melzer | 6-2, 6-4 | | match details | Quito | Clay |
| 08.02.18 | 2nd round | Gerald Melzer | Victor Estrella | 4-6, 6-1, 6-4 | | match details | ||
| 07.02.18 | 1st round | Gerald Melzer | Marco Cecchinato | 6-4, 6-2 | | match details | ||
| 02.02.18 | Rubber 1 | Gerald Melzer | Ilya Ivashka | 2-6, 7-5, 6-4 | | match details | Davis Cup | Clay |
| 04.11.17 | fin | Gerald Melzer | Facundo Bagnis | 6-3, 6-1 | | match details | Guayaquil Challenger | Clay |
| 03.11.17 | 1/2 | Gerald Melzer | Hugo Dellien | 6-0, 6-4 | | match details | ||
| 02.11.17 | 1/4 | Gerald Melzer | Roberto Quiroz | 6-1, 6-4 | | match details | ||
| 01.11.17 | 2nd round | Gerald Melzer | Martin Cuevas | 3-6, 6-2, 6-2 | | match details | ||
| 31.10.17 | 1st round | Gerald Melzer | Juan Pablo Ficovich | 6-2, 6-1 | | match details | ||
| 29.10.17 | fin | Gerald Melzer | Jozef Kovalik | 7-5, 7-64 | | match details | Lima Challenger | Clay |
| 28.10.17 | 1/2 | Gerald Melzer | Nicolas Kicker | 6-2, 6-3 | | match details | ||
| 27.10.17 | 1/4 | Gerald Melzer | Facundo Bagnis | 6-3, 6-4 | | match details | ||
| 25.10.17 | 2nd round | Gerald Melzer | Jose Hernandez-Fernandez | 6-4, 6-0 | | match details | ||
| 24.10.17 | 1st round | Gerald Melzer | Carlos Taberner | 6-4, 6-4 | | match details | ||
| 20.10.17 | 1/2 | Federico Delbonis | Gerald Melzer | 6-1, 6-2 | | match details | Cali Challenger | Clay |
| 19.10.17 | 1/4 | Gerald Melzer | Roberto Carballes Baena | 6-0, 6-2 | | match details | ||
| 18.10.17 | 2nd round | Gerald Melzer | Goncalo Oliveira | 6-2, 6-0 | | match details | ||
| 17.10.17 | 1st round | Gerald Melzer | Marcelo Arevalo | 6-1, 6-2 | | match details | ||
| 14.10.17 | 1/2 | Horacio Zeballos | Gerald Melzer | 6-3, 7-65 | | match details |  Buenos Aires | Clay |
| 13.10.17 | 1/4 | Gerald Melzer | Joao Domingues | 6-3, 6-1 | | match details | ||
| 11.10.17 | 2nd round | Gerald Melzer | Blaz Rola | 6-4, 6-3 | | match details | ||
| 09.10.17 | 1st round | Gerald Melzer | Joao Pedro Sorgi | 7-5, 6-4 | | match details | ||
| 17.09.17 | Gerald Melzer | Bogdan Borza | 6-1, 7-5 | | match details | Davis Cup | Clay | |
| 15.09.17 | Rubber 1 | Gerald Melzer | Dragos Dima | 6-1, 6-1, 3-6, 6-1 | | match details | ||
| 08.09.17 | 1/4 | Marcelo Arevalo | Gerald Melzer | 1-6, 6-1, 6-2 | | match details | Bogota Challenger | Clay |
| 07.09.17 | 2nd round | Gerald Melzer | Facundo Mena | 6-1, 6-4 | | match details | ||
| 06.09.17 | 1st round | Gerald Melzer | Carlos Salamanca | 6-4, 7-61 | | match details | ||
| 03.09.17 | fin | Nicolas Jarry | Gerald Melzer | 6-3, 6-2 | | match details | Quito Challenger | Clay |
| 02.09.17 | 1/2 | Gerald Melzer | Facundo Mena | 7-64, 6-4 | | match details | ||
| 01.09.17 | 1/4 | Gerald Melzer | Maxime Hamou | 6-2, 6-4 | | match details | ||
| 30.08.17 | 2nd round | Gerald Melzer | Michael Linzer | 7-611, 6-3 | | match details | ||
| 29.08.17 | 1st round | Gerald Melzer | Juan Pablo Varillas | 6-4, 6-2 | | match details | ||
| 03.08.17 | 1/4 | Joao Sousa | Gerald Melzer | 2-6, 6-1, 6-3 | | match details | Kitzbuhel | Clay |
| 02.08.17 | 2nd round | Gerald Melzer | Santiago Giraldo | 6-3, 7-61 | | match details | ||
| 01.08.17 | 1st round | Gerald Melzer | Carlos Berlocq | 6-4, 5-7, 6-3 | | match details | ||
| 30.07.17 | fin | Roberto Carballes Baena | Gerald Melzer | 6-1, 6-0 | | match details | Cortina Challenger | Clay |
| 29.07.17 | 1/2 | Gerald Melzer | Matteo Viola | 6-2, 7-65 | | match details | ||
| 28.07.17 | 1/4 | Gerald Melzer | Pedro Cachin | 6-4, 6-4 | | match details | ||
| 26.07.17 | 2nd round | Gerald Melzer | Guilherme Clezar | 7-63, 6-3 | | match details | ||
| 25.07.17 | 1st round | Gerald Melzer | Jaume Antoni Munar Clar | 7-5, 3-6, 6-3 | | match details | ||
| 15.07.17 | 1/2 | Daniel Munoz-De La Nava | Gerald Melzer | 6-2, 6-73, 6-4 | | match details | Perugia Challenger | Clay |
| 14.07.17 | 1/4 | Gerald Melzer | Stefanos Tsitsipas | 6-4, 7-65 | | match details | ||
| 13.07.17 | 2nd round | Gerald Melzer | Matteo Donati | 6-3, 7-63 | | match details | ||
| 11.07.17 | 1st round | Gerald Melzer | Andrea Arnaboldi | 6-1, 6-3 | | match details | ||
| 06.06.17 | 1st round | Markus Eriksson | Gerald Melzer | 7-62, 6-4 | | match details | Prostejov Challenger | Clay |
| 26.05.17 | qual. | Bjorn Fratangelo | Gerald Melzer | 5-7, 7-65, 7-61 | | match details | Paris | Clay |
| 24.05.17 | q 2 | Gerald Melzer | Vincent Millot | 6-1, 6-2 | | match details | ||
| 22.05.17 | q 1 | Gerald Melzer | Constant Lestienne | 6-2, 6-2 | | match details | ||
| 30.05.17 | 1st round | Edoardo Eremin | Gerald Melzer | 4-6, 6-3, 6-2 | | match details | Vicenza Challenger | Clay |
| 01.05.17 | 1st round | Yannick Hanfmann | Gerald Melzer | 6-4, 5-7, 6-1 | | match details |  Munich | Clay |
| 17.04.17 | 1st round | Denis Kudla | Gerald Melzer | 7-60, 6-2 | | match details | Sarasota Challenger | Clay |
| 14.04.17 | 1/4 | Adrian Menendez-Maceiras | Gerald Melzer | 2-6, 6-4, 6-4 | | match details | San Luis | Clay |
| 13.04.17 | 2nd round | Gerald Melzer | Caio Zampieri | 6-3, 6-4 | | match details | ||
| 12.04.17 | 1st round | Gerald Melzer | Facundo Arguello | 6-2, 6-2 | | match details | ||
| 06.03.17 | 1st round | Maximo Gonzalez | Gerald Melzer | 6-4, 6-1 | | match details | Santiago Challenger | Clay |
| 02.03.17 | 2nd round | Diego Sebastian Schwartzman | Gerald Melzer | 6-2, 6-2 | | match details | Sao Paulo | Clay |
| 28.02.17 | 1st round | Gerald Melzer | Victor Estrella | 6-2, 7-63 | | match details | ||
| 17.02.17 | 1/4 | Alexandr Dolgopolov | Gerald Melzer | 7-5, 6-4 | | match details | Buenos Aires | Clay |
| 16.02.17 | 2nd round | Gerald Melzer | Guido Andreozzi | 7-64, 6-3 | | match details | ||
| 15.02.17 | 1st round | Gerald Melzer | Paolo Lorenzi | 6-3, 6-3 | | match details | ||
| 09.02.17 | 2nd round | Federico Gaio | Gerald Melzer | 6-74, 6-3, 7-62 | | match details | Quito | Clay |
| 06.02.17 | 1st round | Gerald Melzer | Horacio Zeballos | 6-74, 6-3, 7-64 | | match details | ||
| 11.10.16 | 1st round | Dennis Novak | Gerald Melzer | 7-64, 6-4 | | match details |  Casablanca Challenger | Clay |
| 08.10.16 | fin | Gerald Melzer | Stefanos Tsitsipas | 3-6, 6-3, 6-2 | | match details | Mohammedia Challenger | Clay |
| 07.10.16 | 1/2 | Gerald Melzer | Uladzimir Ignatik | 6-2, 7-5 | | match details | ||
| 06.10.16 | 1/4 | Gerald Melzer | Andrej Martin | 6-3, 6-1 | | match details | ||
| 05.10.16 | 2nd round | Gerald Melzer | Casper Ruud | 6-1, 6-0 | | match details | ||
| 04.10.16 | 1st round | Gerald Melzer | Cristian Garin | 6-2, 6-1 | | match details | ||
| 20.09.16 | 1st round | Christopher O'Connell | Gerald Melzer | 6-4, 6-4 | | match details |  Sibiu Challenger | Clay |
| 08.09.16 | 1/4 | Kamil Majchrzak | Gerald Melzer | 6-3, 6-1 | | match details | Seville Challenger | Clay |
| 07.09.16 | 2nd round | Gerald Melzer | Jeremy Jahn | 6-0, 6-4 | | match details | ||
| 05.09.16 | 1st round | Gerald Melzer | Pablo Andujar | 6-1, 6-2 | | match details | ||
| 02.09.16 | 1/4 | Marco Cecchinato | Gerald Melzer | 7-64, 6-4 | | match details | Como Challenger | Clay |
| 01.09.16 | 2nd round | Gerald Melzer | Andrea Arnaboldi | 3-6, 6-3, 7-65 | | match details | ||
| 30.08.16 | 1st round | Gerald Melzer | Lorenzo Sonego | 6-3, 6-1 | | match details | ||
| 26.08.16 | 1/4 | Leonardo Mayer | Gerald Melzer | 2-6, 6-4, 6-4 | | match details | Manerbio Challenger | Clay |
| 25.08.16 | 2nd round | Gerald Melzer | Walter Trusendi | 6-2, 6-2 | | match details | ||
| 23.08.16 | 1st round | Gerald Melzer | Andrea Pellegrino | 6-2, 6-4 | | match details | ||
| 22.07.16 | 1/2 | Paolo Lorenzi | Gerald Melzer | 7-64, 7-613 | | match details | Kitzbuhel | Clay |
| 21.07.16 | 1/4 | Gerald Melzer | Jurgen Melzer | 3-6, 6-3, 6-1 | | match details | ||
| 20.07.16 | 2nd round | Gerald Melzer | Daniel Gimeno-Traver | 6-3, 6-1 | | match details | ||
| 19.07.16 | 1st round | Gerald Melzer | Albert Montanes | 5-7, 7-5, 6-4 | | match details | ||
| 11.07.16 | 1st round | Paul-Henri Mathieu | Gerald Melzer | 6-4, 7-65 | | match details | Hamburg | Clay |
| 05.07.16 | 1st round | Facundo Bagnis | Gerald Melzer | 6-4, 5-7, 6-2 | | match details | Braunschweig Challenger | Clay |
| 29.06.16 | 2nd round | Yannik Reuter | Gerald Melzer | 3-6, 6-1, 6-4 | | match details | Marburg Challenger | Clay |
| 28.06.16 | 1st round | Gerald Melzer | Sebastian Fanselow | 6-4, 6-2 | | match details | ||
| 18.06.16 | fin | Horacio Zeballos | Gerald Melzer | 6-3, 6-4 | | match details | Poprad Tatry | Clay |
| 17.06.16 | 1/2 | Gerald Melzer | Martin Klizan | 6-3, 5-7, 6-4 | | match details | ||
| 16.06.16 | 1/4 | Gerald Melzer | Ruben Ramirez-Hidalgo | 6-2, 6-2 | | match details | ||
| 15.06.16 | 2nd round | Gerald Melzer | Norbert Gombos | 6-4, 6-4 | | match details | ||
| 14.06.16 | 1st round | Gerald Melzer | Jan Mertl | 6-1, 6-2 | | match details | ||
| 08.06.16 | 2nd round | Dennis Novak | Gerald Melzer | 6-4, 6-2 | | match details | Prague Challenger | Clay |
| 06.06.16 | 1st round | Gerald Melzer | Blaz Rola | 3-6, 7-5, 6-1 | | match details | ||
| 03.06.16 | 1/4 | Maximo Gonzalez | Gerald Melzer | 6-3, 7-5 | | match details | Furth Challenger | Clay |
| 02.06.16 | 2nd round | Gerald Melzer | Malek Jaziri | 6-2, 4-1, Malek Jaziri - retired | | match details | ||
| 31.05.16 | 1st round | Gerald Melzer | Blaz Rola | 6-4, 1-6, 7-62 | | match details | ||
| 24.05.16 | 1st round | Aljaz Bedene | Gerald Melzer | 4-6, 6-3, 6-4, 6-4 | | match details | Paris | Clay |
| 20.05.16 | qual. | Gerald Melzer | Matteo Donati | 6-4, 6-4 | | match details | ||
| 19.05.16 | q 2 | Gerald Melzer | Ryan Harrison | 6-4, 6-75, 6-4 | | match details | ||
| 16.05.16 | q 1 | Gerald Melzer | Farrukh Dustov | 6-0, 3-6, 6-3 | | match details | ||
| 27.04.16 | 2nd round | Stefan Kozlov | Gerald Melzer | 6-2, 3-6, 6-2 | | match details | Tallahassee Challenger | Clay |
| 25.04.16 | 1st round | Gerald Melzer | Nicolas Kicker | 7-5, 6-2 | | match details | ||
| 22.04.16 | 1/4 | Jared Donaldson | Gerald Melzer | 6-4, 6-72, 6-4 | | match details | Savannah Challenger | Clay |
| 20.04.16 | 2nd round | Gerald Melzer | Tennys Sandgren | 6-0, 6-4 | | match details | ||
| 19.04.16 | 1st round | Gerald Melzer | Roman Safiullin | 6-1, 7-5 | | match details | ||
| 17.04.16 | fin | Mischa Zverev | Gerald Melzer | 6-4, 7-62 | | match details | Sarasota Challenger | Clay |
| 16.04.16 | 1/2 | Gerald Melzer | Guilherme Clezar | 6-74, 6-4, 3-2, Guilherme Clezar - retired | | match details | ||
| 15.04.16 | 1/4 | Gerald Melzer | Quentin Halys | 5-7, 6-4, 6-1 | | match details | ||
| 14.04.16 | 2nd round | Gerald Melzer | James Mcgee | 6-0, 7-65 | | match details | ||
| 12.04.16 | 1st round | Gerald Melzer | Thiago Moura Monteiro | 6-2, 1-6, 6-4 | | match details | ||
| 04.04.16 | 1st round | Juan Monaco | Gerald Melzer | 6-2, 6-73, 6-4 | | match details | Houston | Clay |
| 10.02.16 | 2nd round | Guido Andreozzi | Gerald Melzer | 6-3, 4-6, 6-2 | | match details | Santo Domingo | Clay |
| 08.02.16 | 1st round | Gerald Melzer | Nicolas Jarry | 7-63, 6-3 | | match details | ||
| 31.01.16 | fin | Gerald Melzer | Paolo Lorenzi | 6-3, 6-1 | | match details | Bucaramanga Challenger | Clay |
| 30.01.16 | 1/2 | Gerald Melzer | Mathias Bourgue | 6-4, 7-66 | | match details | ||
| 29.01.16 | 1/4 | Gerald Melzer | Eduardo Struvay | 6-4, 7-65 | | match details | ||
| 28.01.16 | 2nd round | Gerald Melzer | Hans Podlipnik-Castillo | 6-4, 3-6, 6-2 | | match details | ||
| 27.01.16 | 1st round | Gerald Melzer | Maximiliano Estevez | 3-6, 7-5, 6-1 | | match details | ||
| 20.01.16 | 1st round | Fabricio Neis | Gerald Melzer | 7-62, 7-5 | | match details | Rio De | Clay |
| 15.01.16 | 1/4 | Rogerio Dutra Da Silva | Gerald Melzer | 6-1, 6-73, 6-2 | | match details | Buenos Aires | Clay |
| 13.01.16 | 2nd round | Gerald Melzer | Sekou Bangoura | 6-4, 6-2 | | match details | ||
| 12.01.16 | 1st round | Gerald Melzer | Pedro Cachin | 7-66, 2-6, 6-2 | | match details | ||
| 10.01.16 | fin | Gerald Melzer | Axel Michon | 4-6, 6-4, 6-0 | | match details | Mendoza Challenger | Clay |
| 09.01.16 | 1/2 | Gerald Melzer | Roberto Carballes Baena | 4-6, 6-2, 6-3 | | match details | ||
| 08.01.16 | 2nd round | Gerald Melzer | Hernan Casanova | 6-3, 6-2 | | match details | ||
| 08.01.16 | 1/4 | Gerald Melzer | Thiago Moura Monteiro | 6-2, 6-4 | | match details | ||
| 05.01.16 | 1st round | Gerald Melzer | Nicolas Kicker | 6-4, 7-64 | | match details | ||
| 05.10.15 | 1st round | Alessandro Giannessi | Gerald Melzer | 6-73, 6-4, 6-3 | | match details | Mohammedia Challenger | Clay |
| 26.09.15 | 1/4 | Robin Haase | Gerald Melzer | 4-6, 6-3, 6-3 | | match details | Trnava Challenger | Clay |
| 23.09.15 | 2nd round | Gerald Melzer | Artem Smirnov | 6-1, 6-2 | | match details | ||
| 22.09.15 | 1st round | Gerald Melzer | Thiemo de Bakker | 3-6, 7-64, 6-3 | | match details | ||
| 16.09.15 | 2nd round | Maximilian Marterer | Gerald Melzer | 6-3, 6-4 | | match details | Kenitra Challenger | Clay |
| 15.09.15 | 1st round | Gerald Melzer | Omar Giacalone | 6-3, 6-3 | | match details | ||
| 11.09.15 | 1/2 | Daniel Munoz-De La Nava | Gerald Melzer | 4-6, 6-3, 6-4 | | match details | Meknes Challenger | Clay |
| 10.09.15 | 1/4 | Gerald Melzer | Tomas Lipovsek Puches | 6-4, 7-5 | | match details | ||
| 09.09.15 | 2nd round | Gerald Melzer | Claudio Fortuna | 5-7, 6-3, 6-2 | | match details | ||
| 08.09.15 | 1st round | Gerald Melzer | Amine Ahouda | 6-1, 6-4 | | match details | ||
| 04.08.15 | 1st round | Albert Montanes | Gerald Melzer | 6-4, 7-65 | | match details | Kitzbuhel | Clay |
| 25.07.15 | q 1 | Gerald Melzer | N. Vijay Sundar Prashanth | 6-2, 6-2 | | match details |  Gstaad | Clay |
| 25.07.15 | q 2 | Calvin Hemery | Gerald Melzer | 7-5, 7-5 | | match details | ||
| 20.07.15 | qual. | Bastian Trinker | Gerald Melzer | 7-62, 6-2 | | match details | Umag | Clay |
| 19.07.15 | q 2 | Gerald Melzer | Dmitry Surchenko | 6-1, 6-3 | | match details | ||
| 14.07.15 | 1st round | Michael Linzer | Gerald Melzer | 6-3, 6-3 | | match details | San Benedetto | Clay |
| 08.07.15 | 1st round | Aljaz Bedene | Gerald Melzer | 7-611, 6-2 | | match details | Todi Challenger | Clay |
| 17.06.15 | 2nd round | Antonio Veic | Gerald Melzer | 7-65, 6-3 | | match details | Poprad Tatry | Clay |
| 15.06.15 | 1st round | Gerald Melzer | Toni Androic | 6-4, 7-5 | | match details | ||
| 08.06.15 | 1st round | Marton Fucsovics | Gerald Melzer | 1-6, 6-2, 6-3 | | match details | Prague Challenger | Clay |
| 03.06.15 | 2nd round | Horacio Zeballos | Gerald Melzer | 6-3, 6-2 | | match details | Furth Challenger | Clay |
| 02.06.15 | 1st round | Gerald Melzer | Jordi Samper-Montana | 6-3, 5-7, 6-3 | | match details | ||
| 19.05.15 | q 1 | Kyle Edmund | Gerald Melzer | 3-6, 6-2, 6-4 | | match details | Paris | Clay |
| 05.05.15 | 1st round | Taro Daniel | Gerald Melzer | 7-62, 2-6, 3-0, Gerald Melzer - retired | | match details | Rome Challenger | Clay |
| 02.05.15 | 1/2 | Philipp Kohlschreiber | Gerald Melzer | 2-6, 6-1, 6-4 | | match details | Munich | Clay |
| 02.05.15 | 1/4 | Gerald Melzer | Dominic Thiem | 7-65, 3-6, 6-3 | | match details | ||
| 30.04.15 | 2nd round | Gerald Melzer | Pablo Andujar | 4-1, Pablo Andujar - retired | | match details | ||
| 27.04.15 | qual. | Gerald Melzer | Mikhail Ledovskikh | 6-3, 3-6, 7-64 | | match details | ||
| 26.04.15 | q 2 | Gerald Melzer | Filip Veger | 7-5, 6-4 | | match details | ||
| 25.04.15 | q 1 | Gerald Melzer | Philipp Petzschner | 6-4, 6-2 | | match details | ||
| 20.04.15 | qual. | Jurgen Zopp | Gerald Melzer | 6-3, 6-3 | | match details | Bucharest | Clay |
| 20.04.15 | q 2 | Gerald Melzer | Alexander Lazov | 6-1, 6-2 | | match details | ||
| 19.04.15 | q 1 | Gerald Melzer | Uladzimir Ignatik | 6-4, 6-4 | | match details | ||
| 02.04.15 | 2nd round | Paolo Lorenzi | Gerald Melzer | 6-2, 4-6, 7-5 | | match details | San Luis | Clay |
| 01.04.15 | 1st round | Gerald Melzer | Tigre Hank | 4-6, 6-3, 6-4 | | match details | ||
| 13.02.15 | 1/4 | Cristian Garin | Gerald Melzer | 6-2, 2-0, Gerald Melzer - retired | | match details | Santo Domingo | Clay |
| 12.02.15 | 2nd round | Gerald Melzer | Gonzalo Lama | 6-1, 6-3 | | match details | ||
| 10.02.15 | 1st round | Gerald Melzer | Connor Smith | 6-2, 6-2 | | match details | ||
| 05.02.15 | 2nd round | Fernando Verdasco | Gerald Melzer | 7-62, 6-4 | | match details | Quito | Clay |
| 03.02.15 | 1st round | Gerald Melzer | Andreas Haider-Maurer | 1-6, 7-61, 7-66 | | match details | ||
| 02.02.15 | qual. | Gerald Melzer | Roberto Carballes Baena | 7-64, 4-6, 7-63 | | match details | ||
| 01.02.15 | q 2 | Gerald Melzer | Johan Brunstrom | 6-3, 7-64 | | match details | ||
| 31.01.15 | q 1 | Gerald Melzer | Miguel-Angel Reyes-Varela | 6-4, 6-4 | | match details | ||
| 30.01.15 | 1/4 | Gastao Elias | Gerald Melzer | 6-1, 3-6, 6-2 | | match details | Bucaramanga Challenger | Clay |
| 29.01.15 | 2nd round | Gerald Melzer | Paolo Lorenzi | 6-4, 3-6, 6-3 | | match details | ||
| 28.01.15 | 1st round | Gerald Melzer | Jose Hernandez-Fernandez | 5-7, 6-4, 6-1 | | match details | ||
| 08.09.14 | 1st round | Jonathan Eysseric | Gerald Melzer | 7-610, 6-1 | | match details | Seville Challenger | Clay |
| 04.09.14 | 2nd round | Guillaume Rufin | Gerald Melzer | 7-65, 6-0 | | match details | Brasov Challenger | Clay |
| 02.09.14 | 1st round | Gerald Melzer | Miki Jankovic | 6-4, 6-4 | | match details | ||
| 12.08.14 | 1st round | Yannick Mertens | Gerald Melzer | 7-63, 2-6, 6-3 | | match details | Meerbusch Challenger | Clay |
| 06.08.14 | 2nd round | Andre Ghem | Gerald Melzer | 3-6, 6-3, 6-2 | | match details | Prague Challenger | Clay |
| 04.08.14 | 1st round | Gerald Melzer | Robin Stanek | 6-2, 2-6, 6-4 | | match details | ||
| 28.07.14 | 1st round | Andreas Haider-Maurer | Gerald Melzer | 6-2, 7-61 | | match details | Kitzbuhel | Clay |
| 22.07.14 | 1st round | Thomaz Bellucci | Gerald Melzer | 6-3, 6-4 | | match details | Gstaad | Clay |
| 20.07.14 | qual. | Gerald Melzer | Theodoros Angelinos | 6-75, 6-2, 6-1 | | match details | ||
| 19.07.14 | q 1 | Gerald Melzer | Vadim Alekseenko | 6-0, 6-0 | | match details | ||
| 19.07.14 | q 2 | Gerald Melzer | Julien Obry | 7-5, 7-5 | | match details | ||
| 13.07.14 | qual. | Daniel Gimeno-Traver | Gerald Melzer | 6-4, 7-63 | | match details | Hamburg | Clay |
| 12.07.14 | q 1 | Gerald Melzer | Renzo Olivo | 6-74, 6-4, 7-64 | | match details | ||
| 11.06.14 | 2nd round | Lucas Pouille | Gerald Melzer | 3-6, 7-5, 6-1 | | match details | Kosice Challenger | Clay |
| 09.06.14 | 1st round | Gerald Melzer | Bjorn Phau | 6-1, 2-0, Bjorn Phau - retired | | match details | ||
| 05.06.14 | 2nd round | Lucas Pouille | Gerald Melzer | 6-1, 6-4 | | match details | Arad Challenger | Clay |
| 03.06.14 | 1st round | Gerald Melzer | Patrick Ciorcila | 6-1, 6-2 | | match details | ||
| 22.05.14 | q 2 | Eric Prodon | Gerald Melzer | 4-6, 6-1, 13-11 | | match details | Paris | Clay |
| 20.05.14 | q 1 | Gerald Melzer | Hiroki Moriya | 6-1, 6-0 | | match details | ||
| 16.05.14 | 1/2 | Aslan Karatsev | Gerald Melzer | 6-4, 6-4 | | match details |  Samarkand Challenger | Clay |
| 15.05.14 | 1/4 | Gerald Melzer | Alexander Lobkov | 6-2, 6-1 | | match details | ||
| 14.05.14 | 2nd round | Gerald Melzer | Borna Coric | 7-66, 6-4 | | match details | ||
| 12.05.14 | 1st round | Gerald Melzer | Nikoloz Basilashvili | 6-2, 6-4 | | match details | ||
| 02.05.14 | 1/4 | Frank Dancevic | Gerald Melzer | 7-67, 6-2 | | match details | Tallahassee Challenger | Clay |
| 01.05.14 | 2nd round | Gerald Melzer | Bobby Reynolds | 6-3, 7-65 | | match details | ||
| 28.04.14 | 1st round | Gerald Melzer | Sanam Singh | 6-2, 6-0 | | match details | ||
| 23.04.14 | 2nd round | Filip Krajinovic | Gerald Melzer | 6-3, 6-3 | | match details | Savannah Challenger | Clay |
| 22.04.14 | 1st round | Gerald Melzer | Bjorn Fratangelo | 7-64, 6-75, 6-3 | | match details | ||
| 19.04.14 | 1/2 | Filip Krajinovic | Gerald Melzer | 3-6, 6-3, 6-1 | | match details | Sarasota Challenger | Clay |
| 18.04.14 | 1/4 | Gerald Melzer | Taro Daniel | 7-5, 6-3 | | match details | ||
| 16.04.14 | 2nd round | Gerald Melzer | Andrea Arnaboldi | 7-5, 6-2 | | match details | ||
| 15.04.14 | 1st round | Gerald Melzer | Naoki Nakagawa | 6-1, 6-3 | | match details | ||
| 22.03.14 | 1/2 | Pere Riba | Gerald Melzer | 7-5, 6-3 | | match details |  Panama City | Clay |
| 21.03.14 | 1/4 | Gerald Melzer | Pablo Cuevas | 3-6, 6-3, 7-64 | | match details | ||
| 19.03.14 | 2nd round | Gerald Melzer | Rogerio Dutra Da Silva | 6-3, 6-1 | | match details | ||
| 17.03.14 | 1st round | Gerald Melzer | Cristian Garin | 6-4, 6-71, 6-2 | | match details | ||
| 26.02.14 | 2nd round | Marco Trungelliti | Gerald Melzer | 6-2, 6-2 | | match details | Salinas Challenger | Clay |
| 25.02.14 | 1st round | Gerald Melzer | Tak Khunn Wang | 6-2, 6-4 | | match details | ||
| 10.02.14 | qual. | Cristian Garin | Gerald Melzer | 3-6, 6-4, 6-4 | | match details | Buenos Aires | Clay |
| 09.02.14 | q 2 | Gerald Melzer | David Souto | 6-0, 7-66 | | match details | ||
| 08.02.14 | q 1 | Gerald Melzer | Hugo Dellien | 6-2, 6-4 | | match details | ||
| 01.02.14 | q 1 | Taro Daniel | Gerald Melzer | 6-4, 6-2 | | match details | Vina del | Clay |
| 21.01.14 | 1st round | Martin Alund | Gerald Melzer | 6-2, 2-6, 6-3 | | match details | Bucaramanga Challenger | Clay |
| 01.11.13 | 1/2 | Potito Starace | Gerald Melzer | 6-75, 6-2, 2-1, Gerald Melzer - retired | | match details | Casablanca Challenger | Clay |
| 31.10.13 | 1/4 | Gerald Melzer | Mohamed Safwat | 6-4, 6-4 | | match details | ||
| 30.10.13 | 2nd round | Gerald Melzer | Riccardo Ghedin | 5-7, 6-1, 6-2 | | match details | ||
| 28.10.13 | 1st round | Gerald Melzer | Mehdi Jdi | 6-2, 7-64 | | match details | ||
| 30.09.13 | 2nd round | Gerald Melzer | Gilles de Sousa | 6-0, 6-3 | | match details |  Rwanda F1 | Clay |
| 30.09.13 | 1/4 | Gerald Melzer | Mithun Murali | 6-0, 6-1 | | match details | ||
| 30.09.13 | 1/2 | Gerald Melzer | Yannick Mertens | 6-3, 7-5 | | match details | ||
| 30.09.13 | 1st round | Gerald Melzer | Kunal Anand | 6-4, 6-1 | | match details | ||
| 30.09.13 | fin | Gerald Melzer | Lukas Jastraunig | 6-1, 6-1 | | match details | ||
| 23.09.13 | 2nd round | Gerald Melzer | Soichiro Moritani | 6-4, 6-4 | | match details |  Burundi F1 | Clay |
| 23.09.13 | 1/4 | Gerald Melzer | Gilles de Sousa | 6-2, 6-1 | | match details | ||
| 23.09.13 | 1/2 | Yannick Mertens | Gerald Melzer | 6-2, 6-3 | | match details | ||
| 19.09.13 | 1/4 | Dominic Thiem | Gerald Melzer | 6-77, 6-0, 7-62 | | match details | Kenitra Challenger | Clay |
| 18.09.13 | 2nd round | Gerald Melzer | Arthur De Greef | 6-3, 6-3 | | match details | ||
| 17.09.13 | 1st round | Gerald Melzer | Gianluca Naso | 6-0, 2-6, 6-4 | | match details | ||
| 12.09.13 | 1/4 | Laurent Lokoli | Gerald Melzer | 6-3, 7-66 | | match details | Meknes Challenger | Clay |
| 11.09.13 | 2nd round | Gerald Melzer | Hans Podlipnik-Castillo | 7-5, 2-6, 6-2 | | match details | ||
| 10.09.13 | 1st round | Gerald Melzer | Dominic Thiem | 6-3, 3-6, 7-5 | | match details | ||
| 08.09.13 | fin | Andreas Haider-Maurer | Gerald Melzer | 6-79, 6-4, 6-2 | | match details | Brasov Challenger | Clay |
| 07.09.13 | 1/2 | Gerald Melzer | Julian Reister | 6-2, 6-4 | | match details | ||
| 06.09.13 | 1/4 | Gerald Melzer | Patrick Ciorcila | 6-4, 6-4 | | match details | ||
| 05.09.13 | 2nd round | Gerald Melzer | James Ward | 6-4, 6-2 | | match details | ||
| 03.09.13 | 1st round | Gerald Melzer | Enrique Lopez-Perez | 6-4, 2-1, Enrique Lopez-Perez - retired | | match details | ||
| 13.08.13 | 1st round | Pere Riba | Gerald Melzer | 6-3, 7-64 | | match details | Meerbusch Challenger | Clay |
| 28.07.13 | qual. | Martin Fischer | Gerald Melzer | 6-4, 6-2 | | match details | Kitzbuhel | Clay |
| 27.07.13 | q 2 | Gerald Melzer | Michael Linzer | 4-6, 6-0, 2-0, Michael Linzer - retired | | match details | ||
| 27.07.13 | q 1 | Gerald Melzer | Dominic Weidinger | 3-6, 6-3, 6-2 | | match details | ||
| 22.07.13 | 1st round | Peter Gojowczyk | Gerald Melzer | 7-5, 6-4 | | match details | Oberstaufen Challenger | Clay |
| 15.07.13 | 1st round | Grzegorz Panfil | Gerald Melzer | 6-2, 6-1 | | match details |  Poznan Challenger | Clay |
| 10.07.13 | 2nd round | Andreas Haider-Maurer | Gerald Melzer | 6-1, 3-6, 6-3 | | match details | San Benedetto | Clay |
| 08.07.13 | 1st round | Gerald Melzer | Yannick Mertens | 7-66, 6-1 | | match details | ||
| 03.07.13 | 1st round | Marius Copil | Gerald Melzer | 7-64, 6-72, 7-63 | | match details | Timisoara Challenger | Clay |
| 20.06.13 | 1/4 | Lorenzo Giustino | Gerald Melzer | 6-4, 6-77, 6-2 | | match details | Tanger Challenger | Clay |
| 19.06.13 | 2nd round | Gerald Melzer | Yannik Reuter | 6-4, 6-1 | | match details | ||
| 17.06.13 | 1st round | Gerald Melzer | Maximilian Neuchrist | 6-4, 6-3 | | match details | ||
| 12.06.13 | 2nd round | Antonio Veic | Gerald Melzer | 2-6, 6-3, 6-1 | | match details | Kosice Challenger | Clay |
| 10.06.13 | 1st round | Gerald Melzer | Victor Crivoi | 7-5, 6-4 | | match details | ||
| 06.06.13 | 2nd round | Marius Copil | Gerald Melzer | 6-3, 6-4 | | match details | Arad Challenger | Clay |
| 04.06.13 | 1st round | Gerald Melzer | Petru-Alexandru Luncanu | 6-2, 6-3 | | match details | ||
| 21.05.13 | q 1 | Jan-Lennard Struff | Gerald Melzer | 6-4, 6-3 | | match details | Paris | Clay |
| 27.05.13 | 1/4 | Gerald Melzer | Bastian Trinker | 6-2, 6-3 | | match details |  Slovenia F1 | Clay |
| 27.05.13 | 1st round | Gerald Melzer | Juraj Masar | 6-0, 6-4 | | match details | ||
| 27.05.13 | 2nd round | Gerald Melzer | Dmitry Popko | 6-2, 6-3 | | match details | ||
| 27.05.13 | 1/2 | Riccardo Bellotti | Gerald Melzer | 6-73, 6-1, 7-5 | | match details | ||
| 06.05.13 | 1/2 | Gerald Melzer | Kyle Edmund | 6-2, 6-3 | | match details | USA F12 | Clay |
| 06.05.13 | 1st round | Gerald Melzer | Martins Podzus | 6-3, 6-2 | | match details | ||
| 06.05.13 | fin | Bjorn Fratangelo | Gerald Melzer | 7-5, 6-3 | | match details | ||
| 06.05.13 | 2nd round | Gerald Melzer | Yoshihito Nishioka | 6-1, 6-3 | | match details | ||
| 06.05.13 | 1/4 | Gerald Melzer | Dennis Nevolo | 6-3, 6-4 | | match details | ||
| 01.05.13 | 2nd round | Tim Smyczek | Gerald Melzer | 7-66, 6-0 | | match details | Tallahassee Challenger | Clay |
| 29.04.13 | 1st round | Gerald Melzer | Cheikh Salif Kante | 6-2, 6-0 | | match details | ||
| 20.04.13 | 1/2 | Ruben Ramirez-Hidalgo | Gerald Melzer | 6-3, 6-1 | | match details | Panama City | Clay |
| 19.04.13 | 1/4 | Gerald Melzer | Jorge Aguilar | 6-4, 2-6, 7-64 | | match details | ||
| 17.04.13 | 2nd round | Gerald Melzer | Federico Delbonis | 4-6, 6-4, 7-68 | | match details | ||
| 16.04.13 | 1st round | Gerald Melzer | Taro Daniel | 6-2, 6-2 | | match details | ||
| 15.04.13 | qual. | Gerald Melzer | Alexander Satschko | 7-61, 6-4 | | match details | ||
| 14.04.13 | q 2 | Gerald Melzer | Juan Carlos Saez | 6-1, 6-2 | | match details | ||
| 09.04.13 | 1st round | Paolo Lorenzi | Gerald Melzer | 6-2, 6-2 | | match details | Houston | Clay |
| 08.04.13 | qual. | Gerald Melzer | Ivo Karlovic | 6-4, 7-63 | | match details | ||
| 07.04.13 | q 2 | Gerald Melzer | Roman Borvanov | 5-7, 7-62, 6-1 | | match details | ||
| 06.04.13 | q 1 | Gerald Melzer | Alex Kuznetsov | 6-2, 6-4 | | match details | ||
| 25.03.13 | 2nd round | Jaroslav Pospisil | Gerald Melzer | 6-2, 7-5 | | match details | Croatia F6 | Clay |
| 25.03.13 | 1st round | Gerald Melzer | Josko Topic | 6-4, 6-3 | | match details | ||
| 18.03.13 | 2nd round | Duje Kekez | Gerald Melzer | 6-3, 3-6, 6-2 | | match details | Croatia F5 | Clay |
| 18.03.13 | 1st round | Gerald Melzer | Salvatore Caruso | 6-2, 6-4 | | match details | ||
| 02.03.13 | q 1 | Juan Carlos Saez | Gerald Melzer | 7-65, 6-3 | | match details | Santiago Challenger | Clay |
| 26.02.13 | 1st round | Marco Trungelliti | Gerald Melzer | 6-2, Gerald Melzer - retired | | match details | Salinas Challenger | Clay |
| 11.02.13 | 1/4 | Walter Trusendi | Gerald Melzer | 6-2, 4-6, 6-3 | | match details | Spain F2 | Clay |
| 11.02.13 | 1st round | Gerald Melzer | Alessio di Mauro | 7-64, 3-6, 6-2 | | match details | ||
| 11.02.13 | 2nd round | Gerald Melzer | Edualdo Bonet-De Gispert | 6-3, 2-6, 6-0 | | match details | ||
| 04.02.13 | 1/4 | Pablo Carreno-Busta | Gerald Melzer | 6-2, 6-3 | | match details | Spain F1 | Clay |
| 04.02.13 | 2nd round | Gerald Melzer | Julien Demois | 7-67, 6-3 | | match details | ||
| 04.02.13 | 1st round | Gerald Melzer | Miguel-Angel Lopez Jaen | 6-3, 6-3 | | match details | ||
| 26.11.12 | 1/2 | Gerald Melzer | Lukas Jastraunig | 6-4, 7-62 | | match details | Rwanda F2 | Clay |
| 26.11.12 | 1st round | Gerald Melzer | Slobodan Jevtic | 6-77, 6-1, 6-0 | | match details | ||
| 26.11.12 | fin | Gerald Melzer | Sherif Sabry | 6-4, 6-4 | | match details | ||
| 26.11.12 | 2nd round | Gerald Melzer | Lorenzo Papasidero | 6-1, 6-0 | | match details | ||
| 26.11.12 | 1/4 | Gerald Melzer | Jordi Munoz-Abreu | 6-3, 7-5 | | match details | ||
| 19.11.12 | 1/2 | Gerald Melzer | Jordi Munoz-Abreu | 7-63, 6-4 | | match details | Rwanda F1 | Clay |
| 19.11.12 | 1st round | Gerald Melzer | Jan-Wouter Roep | 6-74, 6-2, 6-3 | | match details | ||
| 19.11.12 | 2nd round | Gerald Melzer | Mauricio Alvarez-Guzman | 7-5, 6-0 | | match details | ||
| 19.11.12 | 1/4 | Gerald Melzer | Francesco Picco | 6-4, 2-6, 6-3 | | match details | ||
| 19.11.12 | fin | Christian Magg | Gerald Melzer | 7-63, 6-3 | | match details | ||
| 12.11.12 | 1/4 | Gerald Melzer | Slobodan Jevtic | 6-1, 6-0 | | match details | Burundi F1 | Clay |
| 12.11.12 | 1/2 | Gerald Melzer | Riccardo Sinicropi | 6-3, 6-4 | | match details | ||
| 12.11.12 | 1st round | Gerald Melzer | Yu Takahashi | 6-0, 6-1 | | match details | ||
| 12.11.12 | fin | Gerald Melzer | Alessandro Bega | 6-2, 6-3 | | match details | ||
| 12.11.12 | 2nd round | Gerald Melzer | Luca Pancaldi | 6-3, 4-6, 6-3 | | match details | ||
| 08.10.12 | 1/2 | Gerald Melzer | Alexander Lazov | 6-0, 6-0 | | match details |  Algeria F1 | Clay |
| 08.10.12 | 1st round | Gerald Melzer | Amir Abdelkader Zioui | 6-3, 6-2 | | match details | ||
| 08.10.12 | fin | Steven Diez | Gerald Melzer | 6-2, 6-3 | | match details | ||
| 08.10.12 | 2nd round | Gerald Melzer | Abdel-Hak Hameurlaine | 6-2, 6-3 | | match details | ||
| 08.10.12 | 1/4 | Gerald Melzer | Sam Barry | 6-1, 6-4 | | match details | ||
| 13.09.12 | 2nd round | Guillaume Rufin | Gerald Melzer | Gerald Melzer - walk over | | match details | Todi Challenger | Clay |
| 11.09.12 | 1st round | Gerald Melzer | Philipp Oswald | 7-5, 6-3 | | match details | ||
| 05.09.12 | 1st round | Jan Mertl | Gerald Melzer | 7-63, 7-64 | | match details |  Alphen Challenger | Clay |
| 03.09.12 | q 2 | Gerald Melzer | Alexander Rumyantsev | 6-3, 6-4 | | match details | ||
| 03.09.12 | qual. | Gerald Melzer | Rameez Junaid | 6-2, 6-4 | | match details | ||
| 02.09.12 | q 1 | Gerald Melzer | Oliver Golding | 4-6, 7-63, 6-1 | | match details | ||
| 27.08.12 | 1/4 | Gerald Melzer | Sam Barry | 6-4, 6-2 | | match details | Netherlands F6 | Clay |
| 27.08.12 | 1st round | Gerald Melzer | Patrik Brydolf | 6-4, 6-2 | | match details | ||
| 27.08.12 | 1/2 | Axel Michon | Gerald Melzer | 3-6, 6-4, 6-1 | | match details | ||
| 27.08.12 | 2nd round | Gerald Melzer | Jeroen Benard | 6-1, 6-3 | | match details | ||
| 20.08.12 | 1st round | Gerald Melzer | Maximilian Neuchrist | 6-3, 6-3 | | match details | Austria F7 | Clay |
| 20.08.12 | 1/2 | Jaroslav Pospisil | Gerald Melzer | 6-3, 2-6, 7-5 | | match details | ||
| 20.08.12 | 2nd round | Gerald Melzer | Robin Kern | 6-2, 6-2 | | match details | ||
| 20.08.12 | 1/4 | Gerald Melzer | Ljubomir Celebic | 6-1, 6-4 | | match details | ||
| 09.08.12 | 1/4 | Aleksandr Nedovyesov | Gerald Melzer | 6-4, 7-67 | | match details | Samarkand Challenger | Clay |
| 08.08.12 | 2nd round | Gerald Melzer | Vishnu Vardhan | 6-4, 7-61 | | match details | ||
| 06.08.12 | 1st round | Gerald Melzer | Igor Kunitsyn | 6-1, 6-2 | | match details | ||
| 24.07.12 | 1st round | Eric Prodon | Gerald Melzer | 6-2, 7-5 | | match details | Tampere Challenger | Clay |
| 11.07.12 | 2nd round | Facundo Bagnis | Gerald Melzer | 3-6, 6-2, 7-65 | | match details | Timisoara Challenger | Clay |
| 09.07.12 | 1st round | Gerald Melzer | Alexander Jakupovic | 6-4, 6-4 | | match details | ||
| 02.07.12 | 1/4 | Thiemo de Bakker | Gerald Melzer | 4-6, 6-4, 7-5 | | match details | Netherlands F4 | Clay |
| 02.07.12 | 1st round | Gerald Melzer | Alex Bucewicz | 6-4, 6-0 | | match details | ||
| 02.07.12 | 2nd round | Gerald Melzer | Tiago Fernandes | 6-3, 4-6, 7-65 | | match details | ||
| 18.06.12 | 1/2 | Gerald Melzer | Arthur De Greef | 6-3, 6-3 | | match details | Netherlands F2 | Clay |
| 18.06.12 | 1st round | Gerald Melzer | Juraj Masar | 2-6, 6-1, 6-4 | | match details | ||
| 18.06.12 | fin | Thiemo de Bakker | Gerald Melzer | 6-4, 7-5 | | match details | ||
| 18.06.12 | 2nd round | Gerald Melzer | Marc Rath | 6-1, 7-62 | | match details | ||
| 18.06.12 | 1/4 | Gerald Melzer | Tiago Fernandes | 7-64, 6-2 | | match details | ||
| 11.06.12 | 1st round | Gerald Melzer | Alban Meuffels | 6-4, 6-4 | | match details | Netherlands F1 | Clay |
| 11.06.12 | 2nd round | Julien Dubail | Gerald Melzer | 6-3, 6-4 | | match details | ||
| 28.05.12 | 2nd round | Nikolaus Moser | Gerald Melzer | 6-4, 6-2 | | match details | Slovenia F1 | Clay |
| 28.05.12 | 1st round | Gerald Melzer | Ante Pavic | 6-4, 6-2 | | match details | ||
| 14.05.12 | 1st round | Gerald Melzer | Patrick Davidson | 6-1, 6-2 | | match details | USA F13 | Clay |
| 14.05.12 | 2nd round | Bjorn Fratangelo | Gerald Melzer | 7-5, 6-3 | | match details | ||
| 07.05.12 | 1st round | Gerald Melzer | Bjorn Fratangelo | 6-2, 6-2 | | match details | USA F12 | Clay |
| 07.05.12 | fin | Gerald Melzer | Tennys Sandgren | 7-65, 6-3 | | match details | ||
| 07.05.12 | 2nd round | Gerald Melzer | Jeff Dadamo | 6-2, 6-1 | | match details | ||
| 07.05.12 | 1/4 | Gerald Melzer | Christian Harrison | 7-5, 6-3 | | match details | ||
| 07.05.12 | 1/2 | Gerald Melzer | Gregory Ouellette | 6-4, 7-62 | | match details | ||
| 30.04.12 | 1/4 | Bassam Beidas | Gerald Melzer | 6-4, 2-6, 6-4 | | match details | USA F11 | Clay |
| 30.04.12 | 1st round | Gerald Melzer | Joshua Zavala | 6-2, 7-64 | | match details | ||
| 30.04.12 | 2nd round | Gerald Melzer | Karunuday Singh | 6-1, 6-3 | | match details | ||
| 23.04.12 | q 2 | Guido Andreozzi | Gerald Melzer | 6-2, 6-1 | | match details | Sao Paulo | Clay |
| 23.04.12 | q 1 | Gerald Melzer | Andre Miele | 7-65, 1-6, 6-0 | | match details | ||
| 14.04.12 | q 1 | Leonardo Kirche | Gerald Melzer | 6-4, 7-5 | | match details | Santos Challenger | Clay |
| 09.04.12 | 1st round | Marcin Gawron | Gerald Melzer | 6-3, 6-2 | | match details | Blumenau Challenger | Clay |
| 26.03.12 | 1/4 | Marc Sieber | Gerald Melzer | 6-2, 6-3 | | match details | Croatia F5 | Clay |
| 26.03.12 | 1st round | Gerald Melzer | Carlos Calderon-Rodriguez | 6-0, 6-2 | | match details | ||
| 26.03.12 | 2nd round | Gerald Melzer | Johannes Schretter | 6-2, 6-1 | | match details | ||
| 19.03.12 | 2nd round | Gerald Melzer | Jiri Skoloudik | 6-2, 6-3 | | match details | Croatia F4 | Clay |
| 19.03.12 | 1st round | Gerald Melzer | Pietro Rondoni | 6-3, 6-2 | | match details | ||
| 19.03.12 | 1/4 | Marc Sieber | Gerald Melzer | 6-2, 1-6, 6-4 | | match details | ||
| 05.03.12 | q 1 | Cristobal Saavedra-Corvalan | Gerald Melzer | Gerald Melzer - walk over | | match details | Santiago Challenger | Clay |
| 28.02.12 | 1st round | Victor Estrella | Gerald Melzer | 6-74, 7-65, 6-3 | | match details | Salinas Challenger | Clay |
| 20.02.12 | 1/2 | Gerald Melzer | Juan Ignacio Londero | 6-2, 6-3 | | match details | Chile F3 | Clay |
| 20.02.12 | 1st round | Gerald Melzer | Felipe Rios | 6-2, 6-4 | | match details | ||
| 20.02.12 | fin | Gerald Melzer | Guillermo Rivera-Aranguiz | 7-64, 6-3 | | match details | ||
| 20.02.12 | 2nd round | Gerald Melzer | Juan Carlos Saez | 6-3, 6-2 | | match details | ||
| 20.02.12 | 1/4 | Gerald Melzer | Michael Linzer | 6-3, 6-3 | | match details | ||
| 13.02.12 | 1st round | Gerald Melzer | Nicolas Gustavo Kauer | 6-2, 6-2 | | match details | Chile F1 | Clay |
| 13.02.12 | 1/4 | Guillermo Rivera-Aranguiz | Gerald Melzer | 6-4, 7-65 | | match details | ||
| 13.02.12 | 2nd round | Gerald Melzer | Rodrigo Perez | 6-4, 6-2 | | match details | ||
| 30.01.12 | 1st round | Sherif Sabry | Gerald Melzer | 6-2, 6-2 | | match details |  Egypt F2 | Clay |
| 14.11.11 | 1/2 | Gerald Melzer | Mohamed Safwat | 6-3, 6-1 | | match details | Rwanda F2 | Clay |
| 14.11.11 | 1st round | Gerald Melzer | Olivier Nkunda | 6-0, 6-1 | | match details | ||
| 14.11.11 | fin | Gerald Melzer | Lukas Jastraunig | 6-2, 6-4 | | match details | ||
| 14.11.11 | 2nd round | Gerald Melzer | Mike Vermeer | 7-62, 6-0 | | match details | ||
| 14.11.11 | 1/4 | Gerald Melzer | Sherif Sabry | 6-1, 6-4 | | match details | ||
| 07.11.11 | 2nd round | Paterne Mamata | Gerald Melzer | 2-6, 7-5, 6-2 | | match details | Rwanda F1 | Clay |
| 07.11.11 | 1st round | Gerald Melzer | Younes Rachidi | 6-2, 6-0 | | match details | ||
| 31.10.11 | 1/2 | Gerald Melzer | Alessandro Bega | 6-2, 6-4 | | match details | Burundi F1 | Clay |
| 31.10.11 | 1st round | Gerald Melzer | Anatole Bizimana | 6-0, 6-2 | | match details | ||
| 31.10.11 | fin | Gerald Melzer | Ruan Roelofse | 6-4, 6-2 | | match details | ||
| 31.10.11 | 2nd round | Gerald Melzer | Arvind Vishnu Bestha | 6-4, 6-0 | | match details | ||
| 31.10.11 | 1/4 | Gerald Melzer | Anas Fattar | 6-2, 1-0, Anas Fattar - retired | | match details | ||
| 27.09.11 | 1st round | Adam El Mihdawy | Gerald Melzer | 6-3, 6-3 | | match details | Aguascalenties Challenger | Clay |
| 20.09.11 | 1st round | Agustin Velotti | Gerald Melzer | 6-1, 4-6, 6-2 | | match details | Cali Challenger | Clay |
| 12.09.11 | 1st round | Alessio di Mauro | Gerald Melzer | 7-67, 6-3 | | match details | Todi Challenger | Clay |
| 09.09.11 | 2nd round | Adrian Ungur | Gerald Melzer | 7-68, 7-5 | | match details | Brasov Challenger | Clay |
| 06.09.11 | 1st round | Gerald Melzer | Marcin Gawron | 6-0, 6-1 | | match details | ||
| 29.08.11 | 1st round | Michal Pazicky | Gerald Melzer | 7-64, 2-6, 7-60 | | match details | Austria F8 | Clay |
| 12.08.11 | 1/2 | Denis Istomin | Gerald Melzer | 7-5, 7-5 | | match details | Samarkand Challenger | Clay |
| 11.08.11 | 1/4 | Gerald Melzer | Tsung-Hua Yang | 4-6, 6-3, 6-4 | | match details | ||
| 10.08.11 | 2nd round | Gerald Melzer | Igor Sijsling | 6-2, 6-3 | | match details | ||
| 08.08.11 | 1st round | Gerald Melzer | Vaja Uzakov | 6-2, 6-4 | | match details | ||
| 25.07.11 | 2nd round | Gerald Melzer | Damien Lacombe | 2-6, 6-3, 6-2 | | match details | Austria F4 | Clay |
| 25.07.11 | fin | Kevin Krawietz | Gerald Melzer | 7-63, 6-1 | | match details | ||
| 25.07.11 | 1/4 | Gerald Melzer | David Thurner | 6-3, 7-67 | | match details | ||
| 25.07.11 | 1/2 | Gerald Melzer | Pascal Brunner | 7-61, 6-2 | | match details | ||
| 25.07.11 | 1st round | Gerald Melzer | Philip Lang | 6-3, 6-4 | | match details | ||
| 18.07.11 | 1st round | Bastian Trinker | Gerald Melzer | 6-4, 7-66 | | match details | Austria F3 | Clay |
| 11.07.11 | 1st round | Robert Rumler | Gerald Melzer | 6-4, 6-4 | | match details | Austria F2 | Clay |
| 04.07.11 | 2nd round | Bastian Trinker | Gerald Melzer | 6-74, 6-4, 7-62 | | match details | Austria F1 | Clay |
| 04.07.11 | 1st round | Gerald Melzer | Gibril Diarra | 6-4, 6-4 | | match details | ||
| 27.06.11 | 1st round | Gerald Melzer | Loic Ducourau | 6-2, 6-3 | | match details | Morocco F5 | Clay |
| 27.06.11 | 2nd round | Rafael Mazon-Hernandez | Gerald Melzer | 6-2, 6-3 | | match details | ||
| 20.06.11 | 1st round | Gerald Melzer | Alexis Musialek | 6-1, 6-4 | | match details | Morocco F4 | Clay |
| 20.06.11 | 2nd round | Gerald Melzer | Michal Konecny | 6-3, 7-68 | | match details | ||
| 20.06.11 | 1/2 | Michael Lammer | Gerald Melzer | 6-1, 6-4 | | match details | ||
| 20.06.11 | 1/4 | Gerald Melzer | Florent Diep | 6-4, 6-1 | | match details | ||
| 13.06.11 | 1/4 | Brydan Klein | Gerald Melzer | 7-5, 6-76, 7-63 | | match details | Netherlands F2 | Clay |
| 13.06.11 | 1st round | Gerald Melzer | Niels Desein | 6-0, 6-1 | | match details | ||
| 13.06.11 | 2nd round | Gerald Melzer | Kevin Griekspoor | 6-2, 6-3 | | match details | ||
| 30.05.11 | q 1 | Gerald Melzer | Dennis Bloemke | 3-6, 7-64, 6-4 | | match details | Furth Challenger | Clay |
| 30.05.11 | q 2 | Peter Torebko | Gerald Melzer | 6-4, 6-3 | | match details | ||
| 23.05.11 | 2nd round | Jan Satral | Gerald Melzer | 3-6, 6-3, 6-0 | | match details | Czech Republic | Clay |
| 23.05.11 | 1st round | Gerald Melzer | Jakub Lustyk | 6-4, 5-7, 6-4 | | match details | ||
| 09.05.11 | 1st round | Blake Strode | Gerald Melzer | 6-1, 6-4 | | match details | USA F12 | Clay |
| 02.05.11 | 1/2 | Gerald Melzer | Michael Ryderstedt | 6-74, 7-65, 6-3 | | match details | USA F11 | Clay |
| 02.05.11 | 1st round | Gerald Melzer | Pavel Krainik | 6-1, 6-0 | | match details | ||
| 02.05.11 | fin | Gerald Melzer | Daniel Garza | 1-1, Daniel Garza - retired | | match details | ||
| 02.05.11 | 2nd round | Gerald Melzer | David Mcnamara | 6-2, 6-3 | | match details | ||
| 02.05.11 | 1/4 | Gerald Melzer | Dennis Novikov | 6-3, 6-4 | | match details | ||
| 25.04.11 | 1st round | Gerald Melzer | Haydn Lewis | 6-1, 6-3 | | match details | USA F10 | Clay |
| 25.04.11 | 2nd round | Gerald Melzer | Ahmed El Tabakh | 6-3, 5-3, Ahmed El Tabakh - retired | | match details | ||
| 25.04.11 | 1/4 | Gabriel Moraru | Gerald Melzer | 7-66, 6-1 | | match details | ||
| 18.04.11 | q 1 | Gerald Melzer | Kaue Pereira | 6-1, 3-6, 6-3 | | match details | Santos Challenger | Clay |
| 18.04.11 | q 2 | Martin Vassallo Arguello | Gerald Melzer | 6-3, 6-4 | | match details | ||
| 11.04.11 | q 2 | Tsung-Hua Yang | Gerald Melzer | 6-3, 6-4 | | match details | Blumenau Challenger | Clay |
| 11.04.11 | q 1 | Gerald Melzer | Guilherme Hadlich | 6-1, 6-1 | | match details | ||
| 21.03.11 | 1st round | Kaza Vinayak Sharma | Gerald Melzer | 6-2, 6-3 | | match details |  India F2 | Clay |
| 22.11.10 | 1/4 | Aldin Setkic | Gerald Melzer | 4-6, 6-3, 7-5 | | match details |  Sudan F1 | Clay |
| 22.11.10 | 1st round | Gerald Melzer | Jan Satral | 6-1, 7-65 | | match details | ||
| 22.11.10 | 2nd round | Gerald Melzer | Matthias Wolf | 3-6, 6-1, 6-4 | | match details | ||
| 15.11.10 | 1st round | Gerald Melzer | Sherif Sabry | 1-6, 7-64, 7-68 | | match details |  Iran F7 | Clay |
| 15.11.10 | 1/4 | Valery Rudnev | Gerald Melzer | 6-3, 6-2 | | match details | ||
| 15.11.10 | 2nd round | Gerald Melzer | N. Vijay Sundar Prashanth | 7-65, 4-6, 6-4 | | match details | ||
| 08.11.10 | 2nd round | Gerald Melzer | Henri Laaksonen | 6-1, 6-1 | | match details | Iran F6 | Clay |
| 08.11.10 | 1/4 | Walter Trusendi | Gerald Melzer | 6-2, 6-3 | | match details | ||
| 08.11.10 | 1st round | Gerald Melzer | N. Vijay Sundar Prashanth | 6-2, 7-5 | | match details | ||
| 20.09.10 | 1/2 | Gerald Melzer | Bogdan-Victor Leonte | 6-76, 7-64, 6-3 | | match details |  Uganda F1 | Clay |
| 20.09.10 | 1st round | Gerald Melzer | Onyeka Mbanu | 7-61, 6-1 | | match details | ||
| 20.09.10 | fin | Gerald Melzer | Takanyi Garanganga | 6-4, 6-4 | | match details | ||
| 20.09.10 | 2nd round | Gerald Melzer | Kaza Vinayak Sharma | 7-61, 6-2 | | match details | ||
| 20.09.10 | 1/4 | Gerald Melzer | Ruan Roelofse | 6-4, 6-3 | | match details | ||
| 13.09.10 | 2nd round | Gerald Melzer | Matwe Middelkoop | 6-1, 6-4 | | match details | Rwanda F1 | Clay |
| 13.09.10 | 1/4 | Gerald Melzer | Anas Fattar | 6-3, 6-3 | | match details | ||
| 13.09.10 | 1/2 | Gerald Melzer | Bogdan-Victor Leonte | 6-0, 6-1 | | match details | ||
| 13.09.10 | 1st round | Gerald Melzer | Mark Fynn | 6-1, 6-4 | | match details | ||
| 13.09.10 | fin | Gerald Melzer | Stanislav Vovk | 7-68, 6-0 | | match details | ||
| 06.09.10 | 1/2 | Gerald Melzer | Vijayant Malik | 6-2, 6-3 | | match details | Burundi F1 | Clay |
| 06.09.10 | 1st round | Gerald Melzer | Younes Rachidi | 6-2, 7-66 | | match details | ||
| 06.09.10 | fin | Gerald Melzer | Bart Govaerts | 6-2, 6-4 | | match details | ||
| 06.09.10 | 2nd round | Gerald Melzer | Shivang Mishra | 6-0, 7-5 | | match details | ||
| 06.09.10 | 1/4 | Gerald Melzer | Rupesh Roy | 5-7, 7-60, 7-5 | | match details | ||
| 23.08.10 | 1st round | Andrei Mlendea | Gerald Melzer | 7-61, 6-2 | | match details | Austria F5 | Clay |
| 16.08.10 | 1st round | Gerald Melzer | David Thurner | 7-5, 6-4 | | match details | Austria F4 | Clay |
| 16.08.10 | 1/4 | Daniel Lustig | Gerald Melzer | 6-2, 6-2 | | match details | ||
| 16.08.10 | 2nd round | Gerald Melzer | Pascal Brunner | 6-3, 6-4 | | match details | ||
| 09.08.10 | 1st round | Gerald Melzer | Riccardo Bellotti | 6-3, 6-0 | | match details | Austria F3 | Clay |
| 09.08.10 | 2nd round | Jakob Sude | Gerald Melzer | 2-6, 7-63, 6-3 | | match details | ||
| 02.08.10 | q 1 | Jan Minar | Gerald Melzer | 6-3, 6-1 | | match details | Kitzbuhel Challenger | Clay |
| 27.07.10 | 1st round | Jan Hajek | Gerald Melzer | 6-4, 6-3 | | match details | Umag | Clay |
| 26.07.10 | qual. | Gerald Melzer | Kornel Bardoczky | 7-65, 6-4 | | match details | ||
| 25.07.10 | q 2 | Gerald Melzer | Oscar Sabate-Bretos | 6-2, 6-2 | | match details | ||
| 24.07.10 | q 1 | Gerald Melzer | Marcel Ruzic | 6-4, 6-4 | | match details | ||
| 12.07.10 | 1st round | Jaan-Frederik Brunken | Gerald Melzer | 6-3, 3-6, 7-64 | | match details | Austria F2 | Clay |
| 05.07.10 | 2nd round | Nicolas Reissig | Gerald Melzer | 2-6, 6-4, 6-3 | | match details | Austria F1 | Clay |
| 05.07.10 | 1st round | Gerald Melzer | Pavel Chekhov | 6-3, 6-2 | | match details | ||
| 28.06.10 | 1st round | Gerald Melzer | Jordi Samper-Montana | 6-3, 6-2 | | match details | Morocco F5 | Clay |
| 28.06.10 | 2nd round | Ivan Nedelko | Gerald Melzer | 4-6, 6-4, 7-64 | | match details | ||
| 21.06.10 | 1st round | Gerald Melzer | Christian Welte | 6-0, 6-0 | | match details | Morocco F4 | Clay |
| 21.06.10 | 2nd round | Anas Fattar | Gerald Melzer | 6-3, 6-4 | | match details | ||
| 24.05.10 | 1st round | Marc Rath | Gerald Melzer | 7-65, 7-5 | | match details | Slovenia F1 | Clay |
| 17.05.10 | 1st round | Jan Mertl | Gerald Melzer | 7-5, 6-3 | | match details | Czech Republic | Clay |
| 10.05.10 | 1st round | Jiri Vesely | Gerald Melzer | 6-3, 6-0 | | match details | Czech Republic | Clay |
| 31.08.09 | 1st round | Aljaz Bedene | Gerald Melzer | 6-4, 6-4 | | match details | Austria F9 | Clay |
| 10.08.09 | 1st round | Blaz Rola | Gerald Melzer | 6-4, 2-0, Gerald Melzer - retired | | match details | Slovak Rep. | Clay |
| 03.08.09 | 1st round | Martin Fafl | Gerald Melzer | 6-4, 7-5 | | match details | Slovak Rep. | Clay |
| 25.07.09 | q 1 | Gerald Melzer | Albert Loncaric | 6-2, 3-6, 7-5 | | match details | Umag | Clay |
| 25.07.09 | q 2 | Ruben Ramirez-Hidalgo | Gerald Melzer | 6-0, 6-3 | | match details | ||
| 20.07.09 | 1st round | James Lemke | Gerald Melzer | 4-6, 6-1, 6-4 | | match details | Austria F6 | Clay |
| 13.07.09 | 1st round | Roman Jebavy | Gerald Melzer | 6-4, 1-6, 6-2 | | match details | Austria F5 | Clay |
| 06.07.09 | 1st round | Aljaz Bedene | Gerald Melzer | 6-2, 6-0 | | match details | Austria F4 | Clay |
| 29.06.09 | 1st round | Carlos Cuenca-Navarro | Gerald Melzer | 3-6, 6-2, 6-3 | | match details | Morocco F5 | Clay |
| 22.06.09 | 1st round | Younes Rachidi | Gerald Melzer | 6-2, 6-2 | | match details | Morocco F4 | Clay |
| 15.06.09 | 2nd round | Gregoire Burquier | Gerald Melzer | 5-7, 6-1, 6-3 | | match details | Morocco F3 | Clay |
| 15.06.09 | 1st round | Gerald Melzer | Bart Govaerts | 7-5, 3-6, 6-3 | | match details | ||
| 25.05.09 | 1st round | Andrej Martin | Gerald Melzer | 6-1, 6-1 | | match details | Slovenia F1 | Clay |
| 16.05.09 | q 1 | Robin Vik | Gerald Melzer | 6-3, 6-0 | | match details | Kitzbuhel | Clay |
| 04.05.09 | 1st round | Andrey Kuznetsov | Gerald Melzer | 6-3, 6-1 | | match details | Czech Rep. | Clay |
| 01.09.08 | 1st round | Adil Shamasdin | Gerald Melzer | 6-3, 6-3 | | match details | Austria F9 | Clay |
| 25.08.08 | 1st round | Marc Sieber | Gerald Melzer | 6-0, 6-4 | | match details | Austria F8 | Clay |
| 18.08.08 | 1st round | Gerald Melzer | Marc Rath | 6-2, 6-3 | | match details | Austria F7 | Clay |
| 18.08.08 | 2nd round | Patrick Schmolzer | Gerald Melzer | 6-2, 6-4 | | match details | ||
| 30.07.08 | 2nd round | Pablo Andujar | Gerald Melzer | 6-2, 6-1 | | match details | Graz | Clay |
| 28.07.08 | 1st round | Gerald Melzer | Gabriel Trujillo-Soler | 7-69, 6-2 | | match details | ||
| 28.07.08 | qual. | Gerald Melzer | Alexander Somogyi | 6-0, 6-2 | | match details | ||
| 28.07.08 | q 1 | Gerald Melzer | Niko Karagiannis | 6-1, 6-3 | | match details | ||
| 28.07.08 | q 2 | Gerald Melzer | Janez Semrajc | 6-4, 6-1 | | match details | ||
| 30.06.08 | 1st round | Michal Konecny | Gerald Melzer | 6-2, 6-1 | | match details | Austria F5 | Clay |
| 23.06.08 | 2nd round | Malek Jaziri | Gerald Melzer | 6-1, 6-2 | | match details | Austria F4 | Clay |
| 23.06.08 | 1st round | Gerald Melzer | David Vukasinec | 5-7, 6-4, 6-3 | | match details |
