Name: Billy Harris
Country: United Kingdom
Birthdate: 25.01.95, 29 years
ATP ranking: 207
TOP ranking's position: 181 (18.03.24, 338 points)
Points: 296
Prize money: 218.862 $
Matches total: 616
Win: 383
%: 62.18 %
Country: United Kingdom
Birthdate: 25.01.95, 29 years
ATP ranking: 207
TOP ranking's position: 181 (18.03.24, 338 points)
Points: 296
Prize money: 218.862 $
Matches total: 616
Win: 383
%: 62.18 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 12/13 | 3/3 | 4/4 | 5/6 | 0/0 | 0/0 | 0/0 |
| 2023 | 59/34 | 27/15 | 7/8 | 14/5 | 0/0 | 11/6 | 0/0 |
| 2022 | 46/34 | 23/13 | 10/9 | 9/8 | 2/1 | 2/3 | 0/0 |
| 2021 | 52/20 | 14/5 | 38/15 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2020 | 46/24 | 19/10 | 27/14 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2019 | 23/13 | 23/13 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 27/25 | 4/5 | 19/16 | 3/3 | 0/0 | 1/1 | 0/0 |
| 2017 | 61/34 | 26/13 | 32/20 | 3/1 | 0/0 | 0/0 | 0/0 |
| 2016 | 22/17 | 2/4 | 17/10 | 3/3 | 0/0 | 0/0 | 0/0 |
| 2015 | 28/14 | 4/1 | 15/6 | 8/5 | 0/1 | 1/1 | 0/0 |
| 2014 | 3/3 | 3/1 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2013 | 4/2 | 3/1 | 0/0 | 0/0 | 0/0 | 1/1 | 0/0 |
| TOTAL | 383/233 | 151/84 | 169/103 | 45/32 | 2/2 | 16/12 | 0/0 |
| perc. % | 62.18 % | 64.26 % | 62.13 % | 58.44 % | 50 % | 57.14 % | 0 % |
Billy Harris / Fixtures
| 26.04.24 | 1/4 | Hugo Dellien | Billy Harris | match details |  Rome Challenger | Clay |
Billy Harris form / surface: Clay
Billy Harris / surface: Clay
| 24.04.24 | 2nd round | Billy Harris | Jozef Kovalik | 6-3, 6-4 |  | match details | Rome Challenger | Clay |
| 22.04.24 | 1st round | Billy Harris | Adrian Andreev | 3-6, 6-3, 6-4 | | match details | ||
| 16.04.24 | 1st round | Terence Atmane | Billy Harris | 2-6, 6-3, 6-4 |  | match details |  Oeiras 3 | Clay |
| 08.04.24 | 1st round | Filip Misolic | Billy Harris | 7-5, 6-3 | | match details |  Split Challenger | Clay |
| 05.04.24 | 1/4 | Bernabe Zapata Miralles | Billy Harris | 7-5, 7-62 | | match details |  Barcelona Challenger | Clay |
| 04.04.24 | 2nd round | Billy Harris | Gabriel Debru | 6-0, Gabriel Debru - retired | | match details | ||
| 02.04.24 | 1st round | Billy Harris | Tristan Mccormick | 6-1, 6-1 | | match details | ||
| 25.03.24 | 1st round | Benjamin Hassan | Billy Harris | 6-3, 6-3 | | match details | Girona Challenger | Clay |
| 22.08.23 | 1st round | Gianmarco Ferrari | Billy Harris | 6-71, 6-1, 6-4 | | match details |  Augsburg Challenger | Clay |
| 09.05.23 | 1st round | Alejandro Moro Canas | Billy Harris | 6-2, 3-6, 6-0 | | match details |  Prague 2 | Clay |
| 08.05.23 | qual. | Billy Harris | Martin Damm | 6-4, 6-3 | | match details | ||
| 07.05.23 | q 1 | Billy Harris | Hynek Barton | 6-4, 6-3 | | match details | ||
| 30.04.23 | q 1 | Jan Choinski | Billy Harris | 6-4, 6-4 | | match details | Prague 1 | Clay |
| 24.04.23 | qual. | Alex Marti Pujolras | Billy Harris | 6-0, 7-5 | | match details | Ostrava Challenger | Clay |
| 23.04.23 | q 1 | Billy Harris | Jiri Barnat | 6-2, 6-2 | | match details | ||
| 18.04.23 | 1st round | Evan Furness | Billy Harris | 7-5, 7-63 | | match details | Oeiras 3 | Clay |
| 17.04.23 | qual. | Billy Harris | Andrey Chepelev | 3-6, 6-1, 6-4 | | match details | ||
| 16.04.23 | q 1 | Billy Harris | Kalin Ivanovski | 6-2, 4-6, 6-4 | | match details | ||
| 11.04.23 | 1st round | Alexander Shevchenko | Billy Harris | 6-2, 4-6, 6-3 | | match details | Madrid Challenger | Clay |
| 10.04.23 | qual. | Billy Harris | Steven Diez | 6-0, 6-72, 6-3 | | match details | ||
| 09.04.23 | q 1 | Billy Harris | Sergi Perez Contri | 6-74, 6-3, 6-4 | | match details | ||
| 02.04.23 | q 1 | Akira Santillan | Billy Harris | 6-3, 6-4 | | match details | Murcia Challenger | Clay |
| 28.03.23 | 1st round | Jozef Kovalik | Billy Harris | 6-2, 6-1 | | match details | Sanremo Challenger | Clay |
| 25.09.22 | q 1 | Goncalo Oliveira | Billy Harris | 6-1, 6-3 | | match details | Lisbon Challenger | Clay |
| 20.09.22 | 1st round | Rudolf Molleker | Billy Harris | 6-4, 6-2 | | match details |  Sibiu Challenger | Clay |
| 05.07.22 | 1st round | Daniel Dutra Da Silva | Billy Harris | 6-3, 4-6, 6-1 | | match details | Todi Challenger | Clay |
| 04.07.22 | qual. | Billy Harris | Bernard Tomic | 6-1, 6-4 | | match details | ||
| 03.07.22 | q 1 | Billy Harris | Niccolo Ciavarella | 6-4, 6-3 | | match details | ||
| 24.05.22 | qual. | Andrey Chepelev | Billy Harris | 7-5, 6-4 | | match details | Troisdorf Challenger | Clay |
| 22.05.22 | q 1 | Billy Harris | Niklas Schell | 7-5, 6-3 | | match details | ||
| 19.05.22 | 2nd round | Francesco Maestrelli | Billy Harris | 2-6, 6-3, 6-2 | | match details | Francavilla Challenger | Clay |
| 17.05.22 | 1st round | Billy Harris | Matteo Martineau | 4-6, 6-4, 7-61 | | match details | ||
| 01.04.22 | 1/4 | Hamad Medjedovic | Billy Harris | 6-3, 6-2 | | match details |  M15 Antalya | Clay |
| 31.03.22 | 2nd round | Billy Harris | Denys Klok | 6-4, 6-1 | | match details | ||
| 29.03.22 | 1st round | Billy Harris | Yuki Mochizuki | 6-3, 6-1 | | match details | ||
| 23.03.22 | 1st round | Ilya Snitari | Billy Harris | 5-7, 6-3, 7-5 | | match details | M15 Antalya | Clay |
| 20.03.22 | fin | Oleksii Krutykh | Billy Harris | 6-4, 4-6, 6-2 | | match details | M25 Antalya | Clay |
| 19.03.22 | 1/2 | Billy Harris | Viacheslav Bielinskyi | 6-4, 3-6, 6-1 | | match details | ||
| 18.03.22 | 1/4 | Billy Harris | Nerman Fatic | 6-4, Nerman Fatic - retired | | match details | ||
| 17.03.22 | 2nd round | Billy Harris | Savva Polukhin | 1-6, 7-63, 7-5 | | match details | ||
| 15.03.22 | 1st round | Billy Harris | Mert Ramadan | 6-4, 6-3 | | match details | ||
| 09.03.22 | 1st round | Michel Hopp | Billy Harris | 6-4, 7-63 | | match details | M25 Antalya | Clay |
| 19.12.21 | fin | Dragos Nicolae Madaras | Billy Harris | 7-5, 6-1 | | match details | M15 Antalya | Clay |
| 18.12.21 | 1/2 | Billy Harris | Koray Kirci | 6-4, 6-0 | | match details | ||
| 17.12.21 | 1/4 | Billy Harris | Marsel Ilhan | 6-3, 6-3 | | match details | ||
| 16.12.21 | 2nd round | Billy Harris | Louroi Martinez | 7-64, 7-66 | | match details | ||
| 15.12.21 | 1st round | Billy Harris | Iacopo Sada | 6-2, 6-3 | | match details | ||
| 12.12.21 | fin | Billy Harris | Cayetano March | 6-1, 6-4 | | match details | M15 Antalya | Clay |
| 11.12.21 | 1/2 | Billy Harris | Daniel Cukierman | 6-3, 7-65 | | match details | ||
| 10.12.21 | 2nd round | Billy Harris | Farzin Danny Amiri | 6-3, 2-1, Farzin Danny Amiri - retired | | match details | ||
| 10.12.21 | 1/4 | Billy Harris | Arthur Fils | 6-3, 5-7, 6-2 | | match details | ||
| 09.12.21 | 1st round | Billy Harris | Toby Martin | 6-0, 6-2 | | match details | ||
| 05.12.21 | fin | Billy Harris | Arthur Fils | 6-2, 1-6, 6-4 | | match details | M15 Antalya | Clay |
| 04.12.21 | 1/2 | Billy Harris | Damien Wenger | 6-2, 6-3 | | match details | ||
| 03.12.21 | 1/4 | Billy Harris | Gergely Madarasz | 6-0, 4-6, 6-1 | | match details | ||
| 02.12.21 | 2nd round | Billy Harris | Farzin Danny Amiri | 6-4, 6-2 | | match details | ||
| 30.11.21 | 1st round | Billy Harris | Vladislav Sveridenko | 6-0, 6-1 | | match details | ||
| 21.11.21 | fin | Daniel Michalski | Billy Harris | 2-6, 6-1, 6-3 | | match details | M15 Antalya | Clay |
| 20.11.21 | 1/2 | Billy Harris | Dragos Nicolae Madaras | 7-65, 2-0, Dragos Nicolae Madaras - retired | | match details | ||
| 19.11.21 | 1/4 | Billy Harris | Yanki Erel | 6-2, 6-3 | | match details | ||
| 18.11.21 | 2nd round | Billy Harris | Gergely Madarasz | 6-1, 6-4 | | match details | ||
| 17.11.21 | 1st round | Billy Harris | Adelchi Virgili | 6-2, 2-1, Adelchi Virgili - retired | | match details | ||
| 31.10.21 | fin | Billy Harris | Felix Gill | 6-3, 1-6, 7-5 | | match details | M15 Antalya | Clay |
| 30.10.21 | 1/2 | Billy Harris | Calin Manda | 6-3, 6-4 | | match details | ||
| 29.10.21 | 1/4 | Billy Harris | Timo Stodder | 6-4, 6-4 | | match details | ||
| 28.10.21 | 2nd round | Billy Harris | Berk Ilkel | 6-4, 6-3 | | match details | ||
| 26.10.21 | 1st round | Billy Harris | Nicolae Frunza | 6-1, 3-0, Nicolae Frunza - retired | | match details | ||
| 22.10.21 | 1/4 | Savriyan Danilov | Billy Harris | 6-4, 6-1 | | match details | M15 Antalya | Clay |
| 21.10.21 | 2nd round | Billy Harris | Marsel Ilhan | 6-3, 6-4 | | match details | ||
| 20.10.21 | 1st round | Billy Harris | Kalin Ivanovski | 6-1, 6-2 | | match details | ||
| 29.09.21 | 1st round | Vladimir Uzhylovsky | Billy Harris | 7-63, 6-3 | | match details |  M15 Cairo | Clay |
| 25.09.21 | 1/2 | Edoardo Lavagno | Billy Harris | 6-3, 6-4 | | match details | M15 Cairo | Clay |
| 24.09.21 | 1/4 | Billy Harris | Francesco Passaro | 4-6, 6-4, 6-2 | | match details | ||
| 23.09.21 | 2nd round | Billy Harris | Zachary Eisinga | 6-1, 6-0 | | match details | ||
| 22.09.21 | 1st round | Billy Harris | Nitin Kumar Sinha | 6-0, 7-64 | | match details | ||
| 04.08.21 | 1st round | Carlos Lopez Montagud | Billy Harris | 3-6, 6-4, 7-66 | | match details | M15 Xativa | Clay |
| 21.07.21 | 1st round | Remy Bertola | Billy Harris | 6-3, 4-6, 6-4 | | match details | M15 Perugia | Clay |
| 15.07.21 | 1st round | Billy Harris | Gian Marco Ortenzi | 2-6, 6-1, 6-4 | | match details | M15 L'Aquila | Clay |
| 15.07.21 | 2nd round | Pablo Llamas Ruiz | Billy Harris | 6-4, 6-4 | | match details | ||
| 01.07.21 | 2nd round | Nicolae Frunza | Billy Harris | 7-65, 6-2 | | match details | M15 Antalya | Clay |
| 29.06.21 | 1st round | Billy Harris | Matias Zukas | 3-6, 6-3, 6-4 | | match details | ||
| 23.06.21 | 1st round | Facundo Juarez | Billy Harris | 6-2, 6-1 | | match details | M15 Antalya | Clay |
| 13.06.21 | q 1 | Dian Nedev | Billy Harris | 7-67, 2-6, 10-8 | | match details | M15 Antalya | Clay |
| 29.01.21 | q 2 | Maxime Mora | Billy Harris | 6-1, 6-2 | | match details | M15 Antalya | Clay |
| 28.01.21 | q 1 | Billy Harris | Geni Inoue | 6-2, 6-4 | | match details | ||
| 21.01.21 | 2nd round | Rudolf Molleker | Billy Harris | 6-3, 6-4 | | match details | M15 Antalya | Clay |
| 20.01.21 | 1st round | Billy Harris | Alex Rybakov | 6-4, 6-4 | | match details | ||
| 19.01.21 | qual. | Billy Harris | Vladislav Ivanov | 7-5, 6-4 | | match details | ||
| 18.01.21 | q 2 | Billy Harris | Pavel Shchaya-Zubrov | 6-0, 6-2 | | match details | ||
| 17.01.21 | q 1 | Billy Harris | Kaan Cepel | 6-4, 3-6, 10-6 | | match details | ||
| 11.01.21 | q 2 | Constantinos Koshis | Billy Harris | 6-76, 7-65, 10-6 | | match details | M15 Antalya | Clay |
| 10.01.21 | q 1 | Billy Harris | S Mert Ozdemir | 6-0, 6-0 | | match details | ||
| 08.01.21 | 2nd round | Billy Harris | Leopold Zima | 6-3, 6-2 | | match details | M15 Antalya | Clay |
| 08.01.21 | 1/4 | Maxime Hamou | Billy Harris | 6-4, 6-4 | | match details | ||
| 06.01.21 | 1st round | Billy Harris | Igor Trunov | 6-4, 6-0 | | match details | ||
| 27.12.20 | fin | Georgii Kravchenko | Billy Harris | 6-2, 6-3 | | match details | M15 Antalya | Clay |
| 26.12.20 | 1/2 | Billy Harris | Alejo Lorenzo Lingua Lavallen | 6-1, 7-5 | | match details | ||
| 25.12.20 | 1/4 | Billy Harris | Cengiz Aksu | 6-0, 6-2 | | match details | ||
| 24.12.20 | 2nd round | Billy Harris | Vladislav Ivanov | 6-2, 6-0 | | match details | ||
| 23.12.20 | 1st round | Billy Harris | Benjamin Dhoe | 6-4, 6-3 | | match details | ||
| 17.12.20 | 2nd round | Cezar Cretu | Billy Harris | 6-3, 6-3 | | match details | M15 Antalya | Clay |
| 16.12.20 | 1st round | Billy Harris | Miljan Zekic | 7-66, 6-4 | | match details | ||
| 10.12.20 | 2nd round | Sebastian Gima | Billy Harris | 7-5, 6-3 | | match details | M15 Antalya | Clay |
| 09.12.20 | 1st round | Billy Harris | Cem Ilkel | 7-68, 6-4 | | match details | ||
| 08.12.20 | qual. | Billy Harris | Taiyo Yamanaka | Taiyo Yamanaka - walk over | | match details | ||
| 07.12.20 | q 2 | Billy Harris | Moritz Trocker | 6-2, 6-0 | | match details | ||
| 06.12.20 | q 1 | Billy Harris | Evgeny Philippov | 4-6, 7-63, 11-9 | | match details | ||
| 05.09.20 | 1st round | Arthur Fery | Billy Harris | 6-4, 7-64 | | match details |  All Lower | Clay |
| 04.09.20 | 1st round | Billy Harris | Felix Gill | 6-1, 4-6, 10-8 | | match details | ||
| 16.08.20 | 1st round | Julian Cash | Billy Harris | 3-6, 6-3, 10-4 | | match details | ||
| 15.08.20 | 1st round | Billy Harris | Arthur Fery | 6-1, 1-6, 10-5 | | match details | ||
| 14.08.20 | 1st round | Tom Hands | Billy Harris | 6-3, 6-2 | | match details | ||
| 13.08.20 | 1st round | Mark Whitehouse | Billy Harris | 1-6, 6-3, 10-8 | | match details | ||
| 12.08.20 | 1st round | Billy Harris | Liam Broady | 6-2, 6-4 | | match details | ||
| 11.08.20 | 1st round | Daniel Cox | Billy Harris | 6-73, 6-2, 10-6 | | match details | ||
| 10.08.20 | 1st round | Alastair Gray | Billy Harris | 6-2, 6-2 | | match details | ||
| 09.08.20 | 1st round | Billy Harris | Joshua Paris | 7-5, 6-4 | | match details | ||
| 08.08.20 | 1st round | Billy Harris | David Fox | 6-2, 6-2 | | match details | ||
| 07.08.20 | 1st round | Henry Patten | Billy Harris | 7-66, 2-6, 10-6 | | match details | ||
| 05.08.20 | 1st round | Billy Harris | Ryan Peniston | 6-3, 4-6, 16-14 | | match details | ||
| 04.08.20 | 1st round | Billy Harris | Sean Hodkin | 6-4, 6-4 | | match details | ||
| 03.08.20 | 1st round | Joshua Paris | Billy Harris | 2-6, 6-2, 10-3 | | match details | ||
| 01.08.20 | 1st round | Billy Harris | Mark Whitehouse | 6-77, 7-64, 9-6 | | match details | ||
| 31.07.20 | 1st round | Billy Harris | Julian Cash | 7-5, 6-2 | | match details | ||
| 29.07.20 | 1st round | Billy Harris | Alexis Canter | 6-1, 6-4 | | match details | ||
| 28.07.20 | 1st round | David Fox | Billy Harris | 7-64, 6-4 | | match details | ||
| 27.07.20 | 1st round | Billy Harris | Max Basing | 7-63, 6-2 | | match details | ||
| 26.07.20 | 1st round | Liam Broady | Billy Harris | 7-68, 6-2 | | match details | ||
| 25.07.20 | 1st round | Billy Harris | Jan Choinski | 6-3, 2-6, 12-10 | | match details | ||
| 22.07.20 | 1st round | Billy Harris | Jack Pinnington Jones | 6-3, 3-6, 10-7 | | match details | ||
| 21.07.20 | 1st round | Billy Harris | Daniel Cox | 7-65, 6-4 | | match details | ||
| 18.07.20 | 1st round | Billy Harris | Anton Matusevich | 4-6, 7-5, 10-4 | | match details | ||
| 17.07.20 | 1st round | Billy Harris | Alastair Gray | 6-2, 6-3 | | match details | ||
| 16.07.20 | 1st round | Aidan Mchugh | Billy Harris | 6-3, 6-4 | | match details | ||
| 07.07.20 | 1st round | Billy Harris | Lloyd Glasspool | 6-1, 7-5 | | match details | ||
| 06.07.20 | 1st round | Billy Harris | Tom Hands | 7-67, 6-74, 10-5 | | match details | ||
| 01.10.18 | 1st round | David Pichler | Billy Harris | 1-6, 6-0, 6-4 | | match details | Italy F30 | Clay |
| 24.09.18 | 1st round | Peter Torebko | Billy Harris | 6-4, 6-2 | | match details | Italy F29 | Clay |
| 21.09.18 | 1/2 | Miljan Zekic | Billy Harris | 3-6, 6-3, 6-4 | | match details | Italy F28 | Clay |
| 21.09.18 | 1/4 | Billy Harris | Gibril Diarra | 6-0, 7-62 | | match details | ||
| 19.09.18 | 2nd round | Billy Harris | Davide Galoppini | 6-4, 6-4 | | match details | ||
| 18.09.18 | 1st round | Billy Harris | Peter Goldsteiner | 6-75, 6-4, 6-3 | | match details | ||
| 27.07.18 | 1/4 | Javier Barranco Cosano | Billy Harris | 3-6, 6-0, 7-60 | | match details | Spain F20 | Clay |
| 25.07.18 | 2nd round | Billy Harris | Alberto Barroso Campos | 6-2, 6-76, 6-4 | | match details | ||
| 23.07.18 | 1st round | Billy Harris | Raul Brancaccio | 6-4, 4-6, 6-4 | | match details | ||
| 17.07.18 | 1st round | David Pichler | Billy Harris | 3-6, 6-4, 6-1 | | match details | Spain F19 | Clay |
| 10.07.18 | 1st round | Diego Hidalgo | Billy Harris | 5-7, 7-5, 6-4 | | match details | Spain F18 | Clay |
| 26.04.18 | 1/4 | Giovanni Fonio | Billy Harris | 6-0, 2-6, 6-3 | | match details | Italy F9 | Clay |
| 25.04.18 | 2nd round | Billy Harris | Tomas Liska | 6-3, 7-5 | | match details | ||
| 23.04.18 | 1st round | Billy Harris | Lenny Hampel | 7-64, 6-73, 6-2 | | match details | ||
| 18.04.18 | 2nd round | Lenny Hampel | Billy Harris | 5-7, 6-1, 6-3 | | match details | Italy F8 | Clay |
| 16.04.18 | 1st round | Billy Harris | Juan Pablo Ficovich | 6-710, 6-4, 6-2 | | match details | ||
| 10.04.18 | 1st round | Lorenzo Giustino | Billy Harris | 6-1, 6-0 | | match details | Italy F7 | Clay |
| 09.04.18 | qual. | Billy Harris | Nicolas Bianchi | 6-1, 2-6, 6-4 | | match details | ||
| 08.04.18 | q 2 | Billy Harris | Joao Marcos Nusdeo | 6-4, 6-3 | | match details | ||
| 05.04.18 | 1/4 | Juan Pablo Ficovich | Billy Harris | 7-5, 6-4 | | match details | Italy F6 | Clay |
| 04.04.18 | 2nd round | Billy Harris | Hernan Casanova | 6-1, 2-6, 7-5 | | match details | ||
| 03.04.18 | 1st round | Billy Harris | Mariano Kestelboim | 6-4, 6-1 | | match details | ||
| 02.04.18 | qual. | Billy Harris | Benjamin Pietri | 3-6, 6-3, 6-1 | | match details | ||
| 01.04.18 | q 2 | Billy Harris | Pablo Schelcher Muro | 6-1, 6-3 | | match details | ||
| 29.03.18 | 2nd round | Filip Horansky | Billy Harris | 6-2, 6-2 | | match details | Italy F5 | Clay |
| 28.03.18 | 1st round | Billy Harris | Davide Galoppini | 2-6, 6-3, 6-1 | | match details | ||
| 21.03.18 | 1st round | Ergi Kirkin | Billy Harris | 7-66, 6-2 | | match details | Italy F4 | Clay |
| 15.03.18 | 2nd round | Lorenzo Giustino | Billy Harris | 6-2, 6-3 | | match details | Italy F3 | Clay |
| 13.03.18 | 1st round | Billy Harris | Patrik Brydolf | 6-4, 6-4 | | match details | ||
| 09.03.18 | 2nd round | Billy Harris | Sergio Martos Gornes | 7-5, 6-2 | | match details | Italy F2 | Clay |
| 09.03.18 | 1/4 | Thiemo de Bakker | Billy Harris | 7-5, 6-3 | | match details | ||
| 08.03.18 | 1st round | Billy Harris | Tomislav Brkic | 6-3, 7-5 | | match details | ||
| 29.01.18 | 1st round | Albert Alcaraz Ivorra | Billy Harris | 6-4, 7-62 | | match details | Spain F3 | Clay |
| 24.01.18 | 2nd round | Jacopo Stefanini | Billy Harris | 6-1, 6-0 | | match details | Spain F2 | Clay |
| 22.01.18 | 1st round | Billy Harris | Markus Eriksson | 7-62, 4-6, 6-4 | | match details | ||
| 05.09.17 | 1st round | Niels Desein | Billy Harris | 6-3, 6-2 | | match details |  Belgium F12 | Clay |
| 28.08.17 | 1st round | Seppe Cuypers | Billy Harris | 4-6, 7-62, 6-2 | | match details | Belgium F11 | Clay |
| 23.08.17 | 2nd round | Clement Geens | Billy Harris | 3-6, 6-1, 6-4 | | match details | Belgium F10 | Clay |
| 22.08.17 | 1st round | Billy Harris | Colin Sinclair | 7-610, 7-65 | | match details | ||
| 14.08.17 | 1st round | Romain Barbosa | Billy Harris | 6-4, 2-6, 6-3 | | match details | Belgium F9 | Clay |
| 12.08.17 | 1/4 | Antoine Hoang | Billy Harris | 6-2, 3-6, 7-62 | | match details | Belgium F8 | Clay |
| 11.08.17 | 2nd round | Billy Harris | Maxime Hamou | 6-2, 6-0 | | match details | ||
| 09.08.17 | 1st round | Billy Harris | Charles Broom | 7-66, 6-1 | | match details | ||
| 04.08.17 | 1/4 | Maciej Rajski | Billy Harris | 7-5, 6-0 | | match details |  Poland F8 | Clay |
| 02.08.17 | 2nd round | Billy Harris | Kristian Lozan | 6-3, 6-3 | | match details | ||
| 01.08.17 | 1st round | Billy Harris | Stefano Reitano | 6-4, 6-1 | | match details | ||
| 28.07.17 | 2nd round | David Jorda Sanchis | Billy Harris | 7-62, 6-2 | | match details | Poland F7 | Clay |
| 25.07.17 | 1st round | Billy Harris | Maciej Jablonski | 6-2, 6-2 | | match details | ||
| 20.07.17 | 2nd round | Fabrizio Ornago | Billy Harris | 7-5, 6-4 | | match details | Poland F6 | Clay |
| 18.07.17 | 1st round | Billy Harris | Marco Neubau | 7-5, 7-5 | | match details | ||
| 12.07.17 | 1st round | Pawel Juszczak | Billy Harris | 6-2, 6-2 | | match details | Poland F5 | Clay |
| 09.07.17 | 1/2 | Laurynas Grigelis | Billy Harris | 6-2, 6-4 | | match details | Poland F4 | Clay |
| 07.07.17 | 1/4 | Billy Harris | Juan Ignacio Ameal | 6-3, 6-2 | | match details | ||
| 05.07.17 | 2nd round | Billy Harris | Viktor Durasovic | 6-4, 1-6, 7-5 | | match details | ||
| 03.07.17 | 1st round | Billy Harris | Piotr Matuszewski | 4-6, 6-3, 6-1 | | match details | ||
| 28.06.17 | 2nd round | Bastian Wagner | Billy Harris | 6-3, 7-5 | | match details | Poland F3 | Clay |
| 27.06.17 | 1st round | Billy Harris | Juan Ignacio Ameal | 6-4, 5-7, 7-68 | | match details | ||
| 20.06.17 | 1st round | Robin Stanek | Billy Harris | 7-5, 6-4 | | match details | Poland F2 | Clay |
| 19.06.17 | qual. | Billy Harris | Alfredo Perez | 6-4, 4-6, 6-3 | | match details | ||
| 19.06.17 | q 2 | Billy Harris | Dominik Nazaruk | 6-0, 6-1 | | match details | ||
| 28.04.17 | 1/4 | Raul Brancaccio | Billy Harris | 6-3, 6-4 | | match details | Spain F11 | Clay |
| 26.04.17 | 2nd round | Billy Harris | Jason Murray Kubler | 7-65, 7-64 | | match details | ||
| 25.04.17 | 1st round | Billy Harris | Pablo Vivero Gonzalez | 6-3, 6-1 | | match details | ||
| 24.04.17 | qual. | Billy Harris | Mikhail Korovin | 6-1, 6-3 | | match details | ||
| 24.04.17 | q 1 | Billy Harris | Victor Moreno Lozano | 6-3, 6-3 | | match details | ||
| 24.04.17 | q 2 | Billy Harris | Alvaro Blanco Damea | 6-0, 6-1 | | match details | ||
| 20.04.17 | 2nd round | Marc Giner | Billy Harris | 6-2, 6-3 | | match details | Portugal F7 | Clay |
| 19.04.17 | 1st round | Billy Harris | Samuel Bensoussan | 6-2, 6-4 | | match details | ||
| 17.04.17 | q 2 | Billy Harris | Rafael Mazon-Hernandez | 6-3, 6-2 | | match details | ||
| 17.04.17 | qual. | Billy Harris | Maciej Rajski | 4-6, 6-3, 6-2 | | match details | ||
| 10.04.17 | q 2 | Laslo Urrutia Fuentes | Billy Harris | 6-1, 6-3 | | match details | Portugal F6 | Clay |
| 10.04.17 | q 1 | Billy Harris | Francisco Oliveira | 6-1, 6-1 | | match details | ||
| 03.04.17 | q 2 | Daniel Rodrigues | Billy Harris | 6-1, 4-6, 6-1 | | match details | Portugal F5 | Clay |
| 10.02.17 | 1/4 | Stefano Travaglia | Billy Harris | 6-1, 6-1 | | match details | Spain F4 | Clay |
| 09.02.17 | 2nd round | Billy Harris | Pedro Sakamoto | 1-6, 6-2, 6-3 | | match details | ||
| 07.02.17 | 1st round | Billy Harris | Bernabe Zapata Miralles | 7-61, 6-4 | | match details | ||
| 06.02.17 | qual. | Billy Harris | Luca Pancaldi | 6-2, 6-4 | | match details | ||
| 06.02.17 | q 1 | Billy Harris | Yahir Alcolea Salido | 6-1, 6-0 | | match details | ||
| 06.02.17 | q 2 | Billy Harris | Alessandro Coppini | 6-3, 6-3 | | match details | ||
| 30.01.17 | q 1 | Billy Harris | Enrique Luque Rico | 6-3, 6-2 | | match details | Spain F3 | Clay |
| 30.01.17 | q 2 | Gianluca Acquaroli | Billy Harris | 7-5, 3-6, 7-68 | | match details | ||
| 26.01.17 | 2nd round | Maxime Chazal | Billy Harris | 6-4, 6-1 | | match details | Spain F2 | Clay |
| 25.01.17 | 1st round | Billy Harris | Marc Fornell-Mestres | 6-2, 7-5 | | match details | ||
| 23.01.17 | q 2 | Billy Harris | Stephanos Schinas | 6-0, 6-2 | | match details | ||
| 23.01.17 | qual. | Billy Harris | Toby Martin | 4-6, 6-3, 18-16 | | match details | ||
| 23.01.17 | q 1 | Billy Harris | Gerard Escandell Juan | 6-0, 6-1 | | match details | ||
| 18.01.17 | 1st round | Pedro Cachin | Billy Harris | 6-1, 6-2 | | match details | Spain F1 | Clay |
| 14.09.16 | 2nd round | Michael Geerts | Billy Harris | 6-74, 6-3, 6-2 | | match details | Belgium F14 | Clay |
| 12.09.16 | 1st round | Billy Harris | Valentin Guenther | 6-2, 3-6, 6-3 | | match details | ||
| 01.09.16 | 2nd round | Viktor Durasovic | Billy Harris | 5-7, 6-3, 7-5 | | match details | Belgium F12 | Clay |
| 30.08.16 | 1st round | Billy Harris | Valentin Nourrissat | 6-2, 6-4 | | match details | ||
| 24.08.16 | 2nd round | Maxime Authom | Billy Harris | 6-2, 6-1 | | match details | Belgium F11 | Clay |
| 23.08.16 | 1st round | Billy Harris | Loic Juszczak | 7-5, 6-1 | | match details | ||
| 02.03.16 | 1st round | Marc Fornell-Mestres | Billy Harris | 6-4, 1-0, Billy Harris - retired | | match details | Spain F6 | Clay |
| 29.02.16 | q 2 | Billy Harris | Alejandro Artunedo | 6-1, 6-4 | | match details | ||
| 29.02.16 | qual. | Billy Harris | Julian Ocleppo | 4-6, 6-2, 6-1 | | match details | ||
| 29.02.16 | q 1 | Billy Harris | Nikolas Sanchez-Izquierdo | 6-2, 6-2 | | match details | ||
| 24.02.16 | 2nd round | Akira Santillan | Billy Harris | 4-6, 6-1, 6-2 | | match details | Spain F5 | Clay |
| 23.02.16 | 1st round | Billy Harris | Clement Geens | 6-2, 6-4 | | match details | ||
| 22.02.16 | qual. | Enrico Burzi | Billy Harris | 6-3, 6-3 | | match details | ||
| 22.02.16 | q 1 | Billy Harris | Jaime Castillo Lopez | 6-1, 6-0 | | match details | ||
| 19.02.16 | 1/4 | Alex De Minaur | Billy Harris | 1-6, 7-5, 6-1 | | match details | Spain F4 | Clay |
| 18.02.16 | 2nd round | Billy Harris | Nicola Ghedin | 6-4, 7-5 | | match details | ||
| 16.02.16 | 1st round | Billy Harris | Juan Lizariturry | 4-6, 6-4, 6-3 | | match details | ||
| 15.02.16 | q 1 | Billy Harris | Priyank Soni | 6-2, 6-2 | | match details | ||
| 15.02.16 | q 2 | Billy Harris | Leo Julien Sebaoun | 6-3, 2-6, 6-0 | | match details | ||
| 15.02.16 | qual. | Billy Harris | Pedro Dominguez Alonso | 6-2, 6-2 | | match details | ||
| 08.02.16 | q 1 | Billy Harris | Benjamin Niv | 6-0, 6-4 | | match details | Spain F3 | Clay |
| 08.02.16 | q 2 | Billy Harris | Inaki Rivero | 6-2, 6-1 | | match details | ||
| 08.02.16 | qual. | Adria Mas Mascolo | Billy Harris | 2-6, 6-2, 6-0 | | match details | ||
| 25.01.16 | q 1 | Pablo Irigaray Guarne | Billy Harris | 6-2, 6-4 | | match details | Spain F1 | Clay |
| 12.01.16 | 1st round | Constant Lestienne | Billy Harris | 6-1, 6-2 | | match details |  France F1 | Clay |
| 11.01.16 | q 1 | Billy Harris | Romain Rodriguez | 6-1, 6-2 | | match details | ||
| 11.01.16 | qual. | Billy Harris | Pierre Durali | 6-2, 6-3 | | match details | ||
| 07.09.15 | 2nd round | Billy Harris | Marcelo Ignacio Barros Troncoso | 6-3, 4-6, 6-3 | | match details | Belgium F14 | Clay |
| 07.09.15 | 1st round | Billy Harris | Marvin Netuschil | 6-3, 6-2 | | match details | ||
| 07.09.15 | 1/4 | Jeremy Jahn | Billy Harris | 6-4, 6-0 | | match details | ||
| 07.09.15 | q 2 | Billy Harris | Patryk Gewert | 6-1, 6-2 | | match details | ||
| 07.09.15 | qual. | Billy Harris | Ruben Geeraert | 6-2, 6-0 | | match details | ||
| 31.08.15 | 1st round | Loic Juszczak | Billy Harris | 7-63, 3-6, 6-4 | | match details | Belgium F13 | Clay |
| 31.08.15 | q 1 | Billy Harris | Maxime Pauwels | 7-5, 6-3 | | match details | ||
| 31.08.15 | qual. | Billy Harris | Marcelo Plaza | 4-6, 7-5, 6-1 | | match details | ||
| 24.08.15 | 2nd round | Billy Harris | Alexandre Folie | 7-63, 6-0 | | match details | Belgium F12 | Clay |
| 24.08.15 | 1st round | Billy Harris | Simon Navarro | 6-3, 6-1 | | match details | ||
| 24.08.15 | q 2 | Billy Harris | Nelis De Meyer | 6-3, 6-1 | | match details | ||
| 24.08.15 | 1/4 | Antoine Hoang | Billy Harris | 6-3, 7-5 | | match details | ||
| 24.08.15 | qual. | Billy Harris | Stieg Martens | 6-1, 6-4 | | match details | ||
| 17.08.15 | qual. | Billy Harris | Thibault Saive | 6-0, 6-1 | | match details | Belgium F11 | Clay |
| 17.08.15 | 2nd round | Jonas Merckx | Billy Harris | 6-1, 3-6, 6-3 | | match details | ||
| 17.08.15 | 1st round | Billy Harris | Benjamin Dhoe | 6-3, 6-2 | | match details | ||
| 10.08.15 | qual. | Dennis Bogaert | Billy Harris | 3-6, 6-2, 6-2 | | match details | Belgium F10 | Clay |
| 10.08.15 | q 1 | Billy Harris | Marcelo Ignacio Barros Troncoso | 6-2, 7-5 | | match details | ||
| 03.08.15 | qual. | Billy Harris | David Chaplefeh Forchap | 6-4, 7-5 | | match details | Belgium F9 | Clay |
| 03.08.15 | q 1 | Billy Harris | Andrey Pechkin | 6-1, 6-1 | | match details | ||
| 03.08.15 | 1st round | Romain Barbosa | Billy Harris | 6-1, 6-3 | | match details | ||
| 05.05.14 | q 2 | Peter Bothwell | Billy Harris | 3-6, 6-3, 6-4 | | match details |  Great Britain | Clay |
