Name: Ramkumar Ramanathan
Country: India
Birthdate: 08.11.94, 29 years
ATP ranking: 360
TOP ranking's position: 111 (30.07.18, 493 points)
Points: 141
Prize money: 1.203.047 $
Matches total: 802
Win: 432
%: 53.87 %
Country: India
Birthdate: 08.11.94, 29 years
ATP ranking: 360
TOP ranking's position: 111 (30.07.18, 493 points)
Points: 141
Prize money: 1.203.047 $
Matches total: 802
Win: 432
%: 53.87 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 16/7 | 15/7 | 0/0 | 0/0 | 0/0 | 1/0 | 0/0 |
| 2023 | 25/21 | 25/12 | 0/6 | 0/2 | 0/0 | 0/1 | 0/0 |
| 2022 | 15/34 | 4/13 | 4/8 | 2/6 | 1/1 | 4/6 | 0/0 |
| 2021 | 45/32 | 23/11 | 8/7 | 5/8 | 2/2 | 7/4 | 0/0 |
| 2020 | 8/18 | 3/8 | 0/5 | 0/3 | 5/2 | 0/0 | 0/0 |
| 2019 | 32/37 | 11/20 | 5/4 | 11/7 | 0/1 | 5/5 | 0/0 |
| 2018 | 31/37 | 13/20 | 5/8 | 2/3 | 4/1 | 7/5 | 0/0 |
| 2017 | 50/34 | 32/19 | 9/8 | 3/4 | 1/1 | 5/2 | 0/0 |
| 2016 | 41/34 | 22/14 | 12/9 | 4/6 | 1/2 | 2/3 | 0/0 |
| 2015 | 55/28 | 47/21 | 7/4 | 1/2 | 0/1 | 0/0 | 0/0 |
| 2014 | 64/25 | 49/19 | 15/6 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2013 | 29/25 | 26/13 | 3/12 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2012 | 13/22 | 8/10 | 5/12 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2011 | 8/16 | 3/7 | 5/9 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 432/370 | 281/194 | 78/98 | 28/41 | 14/11 | 31/26 | 0/0 |
| perc. % | 53.87 % | 59.16 % | 44.32 % | 40.58 % | 56 % | 54.39 % | 0 % |
Ramkumar Ramanathan / Fixtures
| no matches found |
Ramkumar Ramanathan form / surface: Hard
Ramkumar Ramanathan / surface: Hard
| 23.04.24 | qual. | Rio Noguchi | Ramkumar Ramanathan | 6-2, 7-65 |  | match details |  Shenzhen 1 | Hard |
| 22.04.24 | q 1 | Ramkumar Ramanathan | Dominik Palan | 6-4, 6-2 |  | match details | ||
| 24.03.24 | fin | Khumoun Sultanov | Ramkumar Ramanathan | 6-4, 6-2 | | match details |  M15 Chandigarh | Hard |
| 23.03.24 | 1/2 | Ramkumar Ramanathan | Nam Hoang Ly | 6-3, 6-2 | | match details | ||
| 22.03.24 | 1/4 | Ramkumar Ramanathan | Chirag Duhan | 4-6, 6-2, 6-4 | | match details | ||
| 21.03.24 | 2nd round | Ramkumar Ramanathan | Woobin Shin | 6-2, 7-5 | | match details | ||
| 20.03.24 | 1st round | Ramkumar Ramanathan | Manish Ganesh | 6-3, 6-2 | | match details | ||
| 17.03.24 | fin | Ramkumar Ramanathan | Karan Singh | 6-2, 6-2 | | match details | M25 New | Hard |
| 16.03.24 | 1/2 | Ramkumar Ramanathan | Nam Hoang Ly | 6-2, 6-4 | | match details | ||
| 15.03.24 | 1/4 | Ramkumar Ramanathan | Siddharth Vishwakarma | 6-4, 6-2 | | match details | ||
| 14.03.24 | 2nd round | Ramkumar Ramanathan | Yunseok Jang | 6-1, 6-2 | | match details | ||
| 13.03.24 | 1st round | Ramkumar Ramanathan | Thanapet Chanta | 6-4, 6-4 | | match details | ||
| 27.02.24 | 1st round | Tristan Schoolkate | Ramkumar Ramanathan | 6-3, 6-2 | | match details | New Delhi | Hard |
| 22.02.24 | 2nd round | Alexey Zakharov | Ramkumar Ramanathan | 6-4, 6-4 | | match details | Pune Challenger | Hard |
| 20.02.24 | 1st round | Ramkumar Ramanathan | Stefano Napolitano | 7-65, 7-65 | | match details | ||
| 16.02.24 | 1/4 | Seong Chan Hong | Ramkumar Ramanathan | 7-5, 5-7, 6-4 | | match details | Bengaluru Challenger | Hard |
| 14.02.24 | 2nd round | Ramkumar Ramanathan | Luca Nardi | 1-6, 6-4, 6-4 | | match details | ||
| 12.02.24 | 1st round | Ramkumar Ramanathan | Maxime Janvier | 6-74, 7-5, 6-4 | | match details | ||
| 06.02.24 | 1st round | Oriol Roca Batalla | Ramkumar Ramanathan | 7-63, 6-2 | | match details | Chennai Challenger | Hard |
| 09.01.24 | 1st round | Valentin Vacherot | Ramkumar Ramanathan | 6-4, 6-3 | | match details |  Nonthaburi 2 | Hard |
| 08.01.24 | qual. | Ramkumar Ramanathan | Makoto Ochi | 6-4, 6-2 | | match details | ||
| 07.01.24 | q 1 | Ramkumar Ramanathan | Akira Santillan | 6-1, 6-1 | | match details | ||
| 03.12.23 | fin | Ramkumar Ramanathan | David Pichler | 6-2, 6-1 | | match details | M25 Kalaburagi | Hard |
| 02.12.23 | 1/2 | Ramkumar Ramanathan | Ryotaro Taguchi | 6-2, 6-1 | | match details | ||
| 01.12.23 | 1/4 | Ramkumar Ramanathan | Manish Sureshkumar | 7-5, 6-0 | | match details | ||
| 30.11.23 | 2nd round | Ramkumar Ramanathan | Kabir Hans | 7-5, 3-6, 6-2 | | match details | ||
| 29.11.23 | 1st round | Ramkumar Ramanathan | Ajay Malik | 6-0, 6-0 | | match details | ||
| 26.11.23 | fin | Ramkumar Ramanathan | Siddharth Vishwakarma | 6-0, 6-4 | | match details | M25 Mumbai | Hard |
| 25.11.23 | 1/2 | Ramkumar Ramanathan | Louis Wessels | 7-63, 6-3 | | match details | ||
| 24.11.23 | 1/4 | Ramkumar Ramanathan | Ryuki Matsuda | 7-66, 3-6, 7-5 | | match details | ||
| 23.11.23 | 2nd round | Ramkumar Ramanathan | Dev Javia | 6-3, 6-4 | | match details | ||
| 22.11.23 | 1st round | Ramkumar Ramanathan | Madhwin Kamath | 6-4, 6-2 | | match details | ||
| 28.10.23 | 1/2 | Bogdan Bobrov | Ramkumar Ramanathan | 6-4, 7-64 | | match details | M15 Davangere | Hard |
| 27.10.23 | 1/4 | Ramkumar Ramanathan | Madhwin Kamath | 6-2, 6-1 | | match details | ||
| 26.10.23 | 2nd round | Ramkumar Ramanathan | Rishab Agarwal | 6-0, 6-3 | | match details | ||
| 25.10.23 | 1st round | Ramkumar Ramanathan | Ishaque Eqbal | 6-74, 7-5, 6-3 | | match details | ||
| 22.10.23 | fin | Ramkumar Ramanathan | Digvijaypratap Singh | 7-65, 7-66 | | match details | M25 Dharwad | Hard |
| 21.10.23 | 1/2 | Ramkumar Ramanathan | Nick Chappell | 3-6, 6-3, 7-62 | | match details | ||
| 20.10.23 | 1/4 | Ramkumar Ramanathan | S D Prajwal Dev | 6-4, 4-6, 6-1 | | match details | ||
| 19.10.23 | 2nd round | Ramkumar Ramanathan | Ishaque Eqbal | 7-66, 6-3 | | match details | ||
| 18.10.23 | 1st round | Ramkumar Ramanathan | Faisal Qamar | 7-63, 6-2 | | match details | ||
| 05.09.23 | 1st round | Mattia Bellucci | Ramkumar Ramanathan | 6-2, 6-4 | | match details |  Cassis Challenger | Hard |
| 04.09.23 | qual. | Ramkumar Ramanathan | Karl Friberg | 6-3, 6-0 | | match details | ||
| 03.09.23 | q 1 | Ramkumar Ramanathan | Maxence Beauge | 6-4, 7-66 | | match details | ||
| 06.08.23 | q 1 | Tyler Zink | Ramkumar Ramanathan | 5-7, 6-1, 6-2 | | match details |  Cary 1 | Hard |
| 30.07.23 | q 1 | Justin Roberts | Ramkumar Ramanathan | 7-65, 7-63 | | match details | Lexington Challenger | Hard |
| 14.06.23 | 1st round | Pedro Vives Marcos | Ramkumar Ramanathan | 6-4, 7-65 | | match details |  M25 Martos | Hard |
| 25.04.23 | 1st round | Ray Ho | Ramkumar Ramanathan | 6-0, 6-2 | | match details |  M25 Jakarta | Hard |
| 19.04.23 | 1st round | Yuta Kawahashi | Ramkumar Ramanathan | 6-2, Ramkumar Ramanathan - retired | | match details | M25 Jakarta | Hard |
| 12.04.23 | 1st round | Yunseok Jang | Ramkumar Ramanathan | 6-1, 6-4 | | match details | M25 Jakarta | Hard |
| 08.04.23 | 1/2 | Sidharth Rawat | Ramkumar Ramanathan | 6-3, 6-1 | | match details | M15 Chennai | Hard |
| 07.04.23 | 1/4 | Ramkumar Ramanathan | Niki Kaliyanda Poonacha | 6-3, 6-4 | | match details | ||
| 06.04.23 | 2nd round | Ramkumar Ramanathan | Grigoriy Lomakin | 6-0, 6-2 | | match details | ||
| 05.04.23 | 1st round | Ramkumar Ramanathan | Kabir Hans | 6-4, 6-1 | | match details | ||
| 19.02.23 | q 1 | Yasutaka Uchiyama | Ramkumar Ramanathan | 3-6, 7-5, 6-3 | | match details | Bengaluru Challenger | Hard |
| 14.02.23 | 1st round | Dimitar Kuzmanov | Ramkumar Ramanathan | 6-3, 7-63 | | match details | Chennai Challenger | Hard |
| 03.01.23 | 1st round | Pedro Martinez Portero | Ramkumar Ramanathan | 3-6, 7-5, 6-3 | | match details | Pune | Hard |
| 01.01.23 | qual. | Ramkumar Ramanathan | Mattia Bellucci | 6-3, 7-5 | | match details | ||
| 31.12.22 | q 1 | Ramkumar Ramanathan | Otto Virtanen | 2-6, 7-5, 6-2 | | match details | ||
| 22.11.22 | 1st round | Colin Sinclair | Ramkumar Ramanathan | 6-2, 6-2 | | match details |  Yokkaichi Challenger | Hard |
| 07.11.22 | 1st round | Li Tu | Ramkumar Ramanathan | 6-3, 7-63 | | match details | Matsuyama Challenger | Hard |
| 31.10.22 | 1st round | Christopher O'Connell | Ramkumar Ramanathan | 6-4, 7-63 | | match details | Yokohama Challenger | Hard |
| 04.10.22 | 1st round | Rio Noguchi | Ramkumar Ramanathan | 6-4, 3-6, 7-61 | | match details | Tokyo | Hard |
| 02.10.22 | qual. | Ramkumar Ramanathan | Elias Ymer | 5-7, 6-4, 6-1 | | match details | ||
| 01.10.22 | q 1 | Ramkumar Ramanathan | Ryota Tanuma | 7-5, 6-3 | | match details | ||
| 24.08.22 | q 1 | Bruno Kuzuhara | Ramkumar Ramanathan | 6-3, 7-5 | | match details | New York | Hard |
| 26.07.22 | 1st round | Ben Shelton | Ramkumar Ramanathan | 6-2, 7-5 | | match details | Atlanta | Hard |
| 24.07.22 | qual. | Ramkumar Ramanathan | Jack Draper | 7-66, 3-6, 7-62 | | match details | ||
| 23.07.22 | q 1 | Ramkumar Ramanathan | Stefan Kozlov | 6-0, 6-1 | | match details | ||
| 05.04.22 | 1st round | Jc Aragone | Ramkumar Ramanathan | 4-6, 6-1, 7-65 | | match details |  Salinas Challenger | Hard |
| 08.03.22 | q 1 | Liam Broady | Ramkumar Ramanathan | 6-2, 3-6, 6-4 | | match details | Indian Wells | Hard |
| 15.02.22 | 1st round | Mathias Bourgue | Ramkumar Ramanathan | 4-6, 6-3, 6-2 | | match details | Bengalaru 2 | Hard |
| 08.02.22 | 1st round | Max Purcell | Ramkumar Ramanathan | 3-6, 6-0, 7-5 | | match details | Bengalaru 1 | Hard |
| 01.02.22 | 1st round | Stefano Travaglia | Ramkumar Ramanathan | 7-67, 4-6, 6-3 | | match details | Pune | Hard |
| 11.01.22 | q 1 | Gian Marco Moroni | Ramkumar Ramanathan | 6-3, 7-5 | | match details |  Melbourne | Hard |
| 02.01.22 | q 1 | Holger Rune | Ramkumar Ramanathan | 6-4, 7-67 | | match details | Adelaide | Hard |
| 28.11.21 | fin | Ramkumar Ramanathan | Evgeny Karlovskiy | 6-1, 6-4 | | match details |  Manama Challenger | Hard |
| 27.11.21 | 1/2 | Ramkumar Ramanathan | Jay Clarke | 5-7, 6-3, 6-2 | | match details | ||
| 26.11.21 | 1/4 | Ramkumar Ramanathan | Goncalo Oliveira | 6-3, 4-6, 7-5 | | match details | ||
| 25.11.21 | 2nd round | Ramkumar Ramanathan | Duje Ajdukovic | 6-2, 6-4 | | match details | ||
| 23.11.21 | 1st round | Ramkumar Ramanathan | Vladyslav Orlov | 6-2, 6-4 | | match details | ||
| 12.10.21 | 1st round | Thomas Fabbiano | Ramkumar Ramanathan | 6-4, 3-6, 6-3 | | match details | Alicante Challenger | Hard |
| 05.10.21 | q 1 | Roberto Quiroz | Ramkumar Ramanathan | 6-4, 3-6, 6-4 | | match details | Indian Wells | Hard |
| 10.09.21 | 1/4 | Liam Broady | Ramkumar Ramanathan | 7-67, 6-4 | | match details | Cassis Challenger | Hard |
| 08.09.21 | 2nd round | Ramkumar Ramanathan | Hugo Grenier | 4-6, 6-3, 6-4 | | match details | ||
| 07.09.21 | 1st round | Ramkumar Ramanathan | Ernests Gulbis | 6-3, 0-6, 6-2 | | match details | ||
| 06.09.21 | qual. | Ramkumar Ramanathan | Arthur Cazaux | 6-4, 6-2 | | match details | ||
| 05.09.21 | q 1 | Ramkumar Ramanathan | Petros Tsitsipas | 6-4, 6-4 | | match details | ||
| 03.09.21 | 1/4 | Yasutaka Uchiyama | Ramkumar Ramanathan | 4-6, 6-4, 7-65 | | match details | Mallorca Challenger | Hard |
| 02.09.21 | 2nd round | Ramkumar Ramanathan | Sebastian Ofner | 7-5, 0-0, Sebastian Ofner - retired | | match details | ||
| 31.08.21 | 1st round | Ramkumar Ramanathan | Carlos Gomez-Herrera | 6-71, 6-4, 7-5 | | match details | ||
| 24.08.21 | q 1 | Evgeny Donskoy | Ramkumar Ramanathan | 4-6, 7-61, 6-4 | | match details | New York | Hard |
| 03.08.21 | 1st round | Steve Johnson | Ramkumar Ramanathan | 6-3, 7-60 | | match details | Washington | Hard |
| 01.08.21 | qual. | Ramkumar Ramanathan | Sebastian Ofner | 7-5, 6-1 | | match details | ||
| 31.07.21 | q 1 | Ramkumar Ramanathan | Christopher Eubanks | 6-4, 3-6, 6-3 | | match details | ||
| 30.07.21 | 1/4 | Alejandro Tabilo | Ramkumar Ramanathan | 7-64, 6-4 | | match details | Lexington Challenger | Hard |
| 29.07.21 | 2nd round | Ramkumar Ramanathan | Peter Polansky | 6-4, 6-4 | | match details | ||
| 27.07.21 | 1st round | Ramkumar Ramanathan | Tung-Lin Wu | 6-4, 6-0 | | match details | ||
| 25.07.21 | fin | Mitchell Krueger | Ramkumar Ramanathan | 7-64, 6-2 | | match details | Cary Challenger | Hard |
| 24.07.21 | 1/2 | Ramkumar Ramanathan | Stefan Kozlov | 1-6, 6-3, 6-1 | | match details | ||
| 23.07.21 | 1/4 | Ramkumar Ramanathan | Prajnesh Gunneswaran | 3-6, 7-65, 6-4 | | match details | ||
| 22.07.21 | 2nd round | Ramkumar Ramanathan | Alexis Galarneau | 7-64, 4-6, 6-4 | | match details | ||
| 20.07.21 | 1st round | Ramkumar Ramanathan | Aleksandar Kovacevic | 6-4, 5-7, 6-4 | | match details | ||
| 14.03.21 | qual. | Yuki Bhambri | Ramkumar Ramanathan | 7-5, 5-7, 6-2 | | match details |  Dubai | Hard |
| 13.03.21 | q 1 | Ramkumar Ramanathan | Evgeny Donskoy | 6-4, 6-4 | | match details | ||
| 08.03.21 | 1st round | Alexander Bublik | Ramkumar Ramanathan | 6-4, 6-2 | | match details |  Doha | Hard |
| 07.03.21 | qual. | Ramkumar Ramanathan | Norbert Gombos | 6-3, 6-1 | | match details | ||
| 06.03.21 | q 1 | Ramkumar Ramanathan | Frederik Nielsen | 6-4, 6-1 | | match details | ||
| 12.01.21 | q 2 | Tung-Lin Wu | Ramkumar Ramanathan | 6-3, 6-2 | | match details | Doha | Hard |
| 10.01.21 | q 1 | Ramkumar Ramanathan | Facundo Bagnis | 7-66, 7-5 | | match details | ||
| 17.11.20 | 1st round | Nick Chappell | Ramkumar Ramanathan | 6-3, 6-4 | | match details | Orlando Challenger | Hard |
| 11.11.20 | 1st round | Teimuraz Gabashvili | Ramkumar Ramanathan | 3-6, 6-4, 6-1 | | match details | Cary Challenger | Hard |
| 19.02.20 | 2nd round | Guilherme Clezar | Ramkumar Ramanathan | 7-65, 4-6, 6-4 | | match details |  Morelos Challenger | Hard |
| 13.02.20 | 3rd round | Ilya Ivashka | Ramkumar Ramanathan | 7-62, 6-1 | | match details | Bengalaru Challenger | Hard |
| 12.02.20 | 2nd round | Ramkumar Ramanathan | Abhinav Sanjeev Shanmugam | 6-1, 6-3 | | match details | ||
| 03.02.20 | 1st round | Salvatore Caruso | Ramkumar Ramanathan | 3-6, 6-4, 7-5 | | match details | Pune | Hard |
| 14.01.20 | q 1 | Federico Coria | Ramkumar Ramanathan | 4-6, 6-4, 6-1 | | match details | Melbourne | Hard |
| 24.01.20 | 1/4 | Robin Haase | Ramkumar Ramanathan | 7-65, 6-2 | | match details | Bangkok Challenger | Hard |
| 23.01.20 | 3rd round | Ramkumar Ramanathan | Go Soeda | 7-5, 7-5 | | match details | ||
| 21.01.20 | 2nd round | Ramkumar Ramanathan | Jc Aragone | 7-65, 1-0, Jc Aragone - retired | | match details | ||
| 06.01.20 | 1st round | Emil Ruusuvuori | Ramkumar Ramanathan | 3-6, 6-2, 6-3 | | match details | Canberra Challenger | Hard |
| 05.12.19 | 1st round | Ze Zhang | Ramkumar Ramanathan | 6-3, 6-0 | | match details | Australian Open | Hard |
| 16.11.19 | 1/2 | James Duckworth | Ramkumar Ramanathan | 7-68, 6-2 | | match details | Pune Challenger | Hard |
| 15.11.19 | 1/4 | Ramkumar Ramanathan | Sumit Nagal | 6-4, 7-65 | | match details | ||
| 14.11.19 | 3rd round | Ramkumar Ramanathan | Cem Ilkel | 6-3, 6-4 | | match details | ||
| 13.11.19 | 2nd round | Ramkumar Ramanathan | Markos Kalovelonis | 6-3, 6-4 | | match details | ||
| 30.10.19 | 2nd round | Tung-Lin Wu | Ramkumar Ramanathan | 6-3, 7-66 | | match details | Shenzhen Challenger | Hard |
| 12.09.19 | 3rd round | Nicola Kuhn | Ramkumar Ramanathan | 6-3, 7-5 | | match details |  Istanbul Challenger | Hard |
| 11.09.19 | 2nd round | Ramkumar Ramanathan | Marsel Ilhan | 6-2, 6-2 | | match details | ||
| 04.09.19 | 2nd round | Daniel Masur | Ramkumar Ramanathan | 6-3, 6-2 | | match details | Cassis Challenger | Hard |
| 19.08.19 | q 1 | Filippo Baldi | Ramkumar Ramanathan | 7-5, 7-69 | | match details | New York | Hard |
| 07.08.19 | 2nd round | Liam Broady | Ramkumar Ramanathan | 7-62, 6-4 | | match details | Aptos Challenger | Hard |
| 27.07.19 | q 1 | Tim Smyczek | Ramkumar Ramanathan | 6-4, 6-2 | | match details | Washington | Hard |
| 24.07.19 | 2nd round | Alexander Ritschard | Ramkumar Ramanathan | 2-6, 7-63, 6-2 | | match details | Binghamton Challenger | Hard |
| 12.07.19 | 1/4 | Denis Istomin | Ramkumar Ramanathan | 6-2, 7-5 | | match details | Winnetka Challenger | Hard |
| 11.07.19 | 3rd round | Ramkumar Ramanathan | Jc Aragone | 7-66, 6-3 | | match details | ||
| 10.07.19 | 2nd round | Ramkumar Ramanathan | Michael Redlicki | 7-5, 7-5 | | match details | ||
| 05.07.19 | 1/4 | Mats Moraing | Ramkumar Ramanathan | 6-4, 6-1 | | match details |  Recanati Challenger | Hard |
| 04.07.19 | 3rd round | Ramkumar Ramanathan | Matteo Viola | 6-4, 6-1 | | match details | ||
| 03.07.19 | 2nd round | Ramkumar Ramanathan | Nikola Cacic | 6-3, 6-3 | | match details | ||
| 08.05.19 | 2nd round | Cem Ilkel | Ramkumar Ramanathan | 6-1, 7-60 | | match details |  Busan Challenger | Hard |
| 02.05.19 | 3rd round | Zhe Li | Ramkumar Ramanathan | 6-4, 6-75, 7-66 | | match details | Seoul Challenger | Hard |
| 01.05.19 | 2nd round | Ramkumar Ramanathan | Ji Sung Nam | 6-3, 7-66 | | match details | ||
| 18.03.19 | q 1 | Lorenzo Sonego | Ramkumar Ramanathan | 6-4, 6-1 | | match details | Miami | Hard |
| 11.03.19 | 1st round | Pedja Krstin | Ramkumar Ramanathan | 6-2, 6-4 | | match details | Phoenix Challenger | Hard |
| 05.03.19 | q 1 | Filip Krajinovic | Ramkumar Ramanathan | 6-4, 6-0 | | match details | Indian Wells | Hard |
| 25.02.19 | 1st round | Roberto Bautista Agut | Ramkumar Ramanathan | 6-4, 6-3 | | match details | Dubai | Hard |
| 16.02.19 | q 1 | Marcelo Arevalo | Ramkumar Ramanathan | 6-2, 3-6, 7-61 | | match details | Delray Beach | Hard |
| 10.01.19 | q 2 | Rudolf Molleker | Ramkumar Ramanathan | 5-7, 7-5, 7-66 | | match details | Melbourne | Hard |
| 08.01.19 | q 1 | Ramkumar Ramanathan | Sergio Gutierrez-Ferrol | 6-3, 6-2 | | match details | ||
| 02.01.19 | 2nd round | Malek Jaziri | Ramkumar Ramanathan | 6-76, 7-65, 6-3 | | match details | Pune | Hard |
| 01.01.19 | 1st round | Ramkumar Ramanathan | Marcel Granollers | 4-6, 6-4, 6-3 | | match details | ||
| 20.11.18 | 1st round | Arjun Kadhe | Ramkumar Ramanathan | 6-3, 6-2 | | match details | Pune Challenger | Hard |
| 31.10.18 | 2nd round | Mohamed Safwat | Ramkumar Ramanathan | 7-63, 6-4 | | match details | Shenzhen Challenger | Hard |
| 30.10.18 | 1st round | Ramkumar Ramanathan | Sumit Nagal | 3-6, 6-4, 7-62 | | match details | ||
| 23.10.18 | 1st round | Alejandro Davidovich Fokina | Ramkumar Ramanathan | 7-63, 6-3 | | match details | Liuzhou Challenger | Hard |
| 15.10.18 | 1st round | Yunseong Chung | Ramkumar Ramanathan | 1-6, 7-67, 7-62 | | match details | Ningboo Challenger | Hard |
| 07.10.18 | qual. | Hubert Hurkacz | Ramkumar Ramanathan | 6-74, 6-4, 7-5 | | match details | Shanghai | Hard |
| 06.10.18 | q 1 | Ramkumar Ramanathan | Cameron Norrie | 7-5, 6-3 | | match details | ||
| 29.09.18 | q 1 | Tennys Sandgren | Ramkumar Ramanathan | 6-1, 6-2 | | match details | Beijing | Hard |
| 27.09.18 | 2nd round | Damir Dzumhur | Ramkumar Ramanathan | 6-4, 6-2 | | match details | Shenzhen | Hard |
| 25.09.18 | 1st round | Ramkumar Ramanathan | Jiri Vesely | 7-5, 6-1 | | match details | ||
| 23.09.18 | qual. | Ramkumar Ramanathan | Yecong He | 6-1, 6-1 | | match details | ||
| 22.09.18 | q 1 | Ramkumar Ramanathan | Max Purcell | 3-6, 6-3, 7-63 | | match details | ||
| 30.08.18 | 2nd round | Nicola Kuhn | Ramkumar Ramanathan | 6-74, 7-62, 6-4 | | match details | Mallorca Challenger | Hard |
| 29.08.18 | 1st round | Ramkumar Ramanathan | Enzo Couacaud | 6-3, 7-63 | | match details | ||
| 07.08.18 | 1st round | Harri Heliovaara | Ramkumar Ramanathan | 6-3, 6-4 | | match details | Jinan Challenger | Hard |
| 29.07.18 | qual. | Mitchell Krueger | Ramkumar Ramanathan | 6-3, 6-3 | | match details | Washington | Hard |
| 24.07.18 | 1st round | Taylor Harry Fritz | Ramkumar Ramanathan | 6-4, 6-4 | | match details | Atlanta | Hard |
| 10.07.18 | 1st round | Evgeny Karlovskiy | Ramkumar Ramanathan | 6-0, 6-4 | | match details | Winnetka Challenger | Hard |
| 04.07.18 | 1st round | Daniel Brands | Ramkumar Ramanathan | 7-65, 7-68 | | match details | Recanati Challenger | Hard |
| 07.04.18 | Ramkumar Ramanathan | Di Wu | 7-64, 6-3 | | match details | Davis Cup | Hard | |
| 06.04.18 | Rubber 1 | Yibing Wu | Ramkumar Ramanathan | 7-64, 6-4 | | match details | ||
| 19.03.18 | q 1 | Michael Mmoh | Ramkumar Ramanathan | 7-64, 6-4 | | match details | Miami | Hard |
| 07.03.18 | qual. | Yuki Bhambri | Ramkumar Ramanathan | 6-4, 6-2 | | match details | Indian Wells | Hard |
| 06.03.18 | q 1 | Ramkumar Ramanathan | Michael Mmoh | 6-3, 7-5 | | match details | ||
| 24.02.18 | q 1 | Kevin King | Ramkumar Ramanathan | 6-3, 6-0 | | match details | Acapulco | Hard |
| 19.02.18 | 1st round | Donald Young | Ramkumar Ramanathan | 6-1, 6-2 | | match details | Delray Beach | Hard |
| 18.02.18 | qual. | Ramkumar Ramanathan | Bjorn Fratangelo | 6-3, 6-3 | | match details | ||
| 17.02.18 | q 1 | Ramkumar Ramanathan | Stefan Kozlov | 6-3, 6-2 | | match details | ||
| 14.01.18 | qual. | Vasek Pospisil | Ramkumar Ramanathan | 6-4, 4-6, 6-4 | | match details | Melbourne | Hard |
| 13.01.18 | q 2 | Ramkumar Ramanathan | Gleb Sakharov | 6-4, 7-610 | | match details | ||
| 10.01.18 | q 1 | Ramkumar Ramanathan | Bradley Klahn | 6-76, 7-63, 6-2 | | match details | ||
| 03.01.18 | 2nd round | Marin Cilic | Ramkumar Ramanathan | 6-4, 6-3 | | match details | Pune | Hard |
| 01.01.18 | 1st round | Ramkumar Ramanathan | Roberto Carballes Baena | 7-64, 6-2 | | match details | ||
| 22.11.17 | 2nd round | Jay Clarke | Ramkumar Ramanathan | 6-73, 6-2, 6-4 | | match details | Bangalore Challenger | Hard |
| 21.11.17 | 1st round | Ramkumar Ramanathan | Hugo Grenier | 4-6, 6-4, 6-3 | | match details | ||
| 18.11.17 | fin | Yuki Bhambri | Ramkumar Ramanathan | 4-6, 6-3, 6-4 | | match details | Pune Challenger | Hard |
| 17.11.17 | 1/2 | Ramkumar Ramanathan | Saketh-Sai Myneni | 6-3, 6-2 | | match details | ||
| 16.11.17 | 1/4 | Ramkumar Ramanathan | Nikola Milojevic | 6-1, 7-5 | | match details | ||
| 15.11.17 | 2nd round | Ramkumar Ramanathan | Brydan Klein | 7-67, 6-3 | | match details | ||
| 14.11.17 | 1st round | Ramkumar Ramanathan | Marc Polmans | 6-75, 7-65, 7-69 | | match details | ||
| 09.10.17 | 1st round | Tobias Kamke | Ramkumar Ramanathan | 6-4, 4-6, 6-4 | | match details | Fairfield Challenger | Hard |
| 03.10.17 | 1st round | Christian Harrison | Ramkumar Ramanathan | 6-1, 6-2 | | match details | Stockton Challenger | Hard |
| 26.09.17 | 1st round | Jan Choinski | Ramkumar Ramanathan | 6-1, 6-2 | | match details | Tiburon Challenger | Hard |
| 24.08.17 | q 2 | Nicolas Mahut | Ramkumar Ramanathan | 6-3, 6-75, 6-2 | | match details | New York | Hard |
| 23.08.17 | q 1 | Ramkumar Ramanathan | Paul-Henri Mathieu | 6-4, 6-4 | | match details | ||
| 16.08.17 | 2nd round | Jared Donaldson | Ramkumar Ramanathan | 6-4, 2-6, 6-4 | | match details | Cincinnati | Hard |
| 14.08.17 | 1st round | Ramkumar Ramanathan | Christopher Eubanks | 6-75, 6-1, 6-4 | | match details | ||
| 13.08.17 | qual. | Maximilian Marterer | Ramkumar Ramanathan | 7-66, 7-62 | | match details | ||
| 12.08.17 | q 1 | Ramkumar Ramanathan | Dusan Lajovic | 7-61, 6-4 | | match details | ||
| 08.08.17 | 1st round | Henri Laaksonen | Ramkumar Ramanathan | 6-3, 6-2 | | match details | Aptos Challenger | Hard |
| 31.07.17 | 1st round | Guido Pella | Ramkumar Ramanathan | 6-4, 6-1 | | match details | Washington | Hard |
| 30.07.17 | qual. | Ramkumar Ramanathan | Marinko Matosevic | 7-5, 6-3 | | match details | ||
| 25.07.17 | 1st round | Cameron Norrie | Ramkumar Ramanathan | 7-63, 6-2 | | match details | Binghamton Challenger | Hard |
| 15.07.17 | fin | Akira Santillan | Ramkumar Ramanathan | 7-61, 6-2 | | match details | Winnetka Challenger | Hard |
| 14.07.17 | 1/2 | Ramkumar Ramanathan | Tommy Paul | 4-6, 6-3, 6-2 | | match details | ||
| 13.07.17 | 1/4 | Ramkumar Ramanathan | Dominik Koepfer | 6-4, 6-3 | | match details | ||
| 12.07.17 | 2nd round | Ramkumar Ramanathan | Jc Aragone | 7-5, 6-2 | | match details | ||
| 11.07.17 | 1st round | Ramkumar Ramanathan | Bradley Klahn | 3-6, 7-64, 7-69 | | match details | ||
| 06.07.17 | 2nd round | Salvatore Caruso | Ramkumar Ramanathan | 6-75, 6-3, 7-5 | | match details | Recanati Challenger | Hard |
| 04.07.17 | 1st round | Ramkumar Ramanathan | Alexander Kudryavtsev | 4-6, 6-2, 6-3 | | match details | ||
| 10.06.17 | fin | Ramkumar Ramanathan | Nicholas S. Hu | 7-64, 6-2 | | match details |  Singapore F3 | Hard |
| 09.06.17 | 1/4 | Ramkumar Ramanathan | Marc-Andrea Huesler | 6-4, 6-4 | | match details | ||
| 09.06.17 | 1/2 | Ramkumar Ramanathan | Nam Hoang Ly | 7-64, 6-1 | | match details | ||
| 07.06.17 | 1st round | Ramkumar Ramanathan | Jorge Blanco Guadalupe | 6-2, 6-2 | | match details | ||
| 07.06.17 | 2nd round | Ramkumar Ramanathan | Justin Barki | 6-1, 6-1 | | match details | ||
| 04.06.17 | fin | Ramkumar Ramanathan | Raymond Sarmiento | 6-2, 6-2 | | match details | Singapore F2 | Hard |
| 03.06.17 | 1/2 | Ramkumar Ramanathan | N. Vijay Sundar Prashanth | 6-3, 6-2 | | match details | ||
| 01.06.17 | 2nd round | Ramkumar Ramanathan | Ken Onoda | 6-1, 6-2 | | match details | ||
| 01.06.17 | 1/4 | Ramkumar Ramanathan | Sidharth Rawat | 7-5, 6-3 | | match details | ||
| 30.05.17 | 1st round | Ramkumar Ramanathan | Shaheed Alam | 6-1, 6-0 | | match details | ||
| 09.05.17 | 1st round | Cem Ilkel | Ramkumar Ramanathan | 6-4, 6-4 | | match details |  Karshi Challenger | Hard |
| 09.04.17 | Ramkumar Ramanathan | Sanjar Fayziev | 6-3, 6-2 | | match details | Davis Cup | Hard | |
| 07.04.17 | Rubber 1 | Ramkumar Ramanathan | Temur Ismailov | 6-2, 5-7, 6-2, 7-5 | | match details | ||
| 27.03.17 | q 1 | Danilo Petrovic | Ramkumar Ramanathan | 6-3, 3-6, 6-1 | | match details | Leon Challenger | Hard |
| 20.03.17 | qual. | Alex De Minaur | Ramkumar Ramanathan | 7-62, 5-7, 6-4 | | match details | Guadalajara Challenger | Hard |
| 19.03.17 | q 2 | Ramkumar Ramanathan | Juan Ignacio Londero | 6-3, 6-1 | | match details | ||
| 19.03.17 | q 1 | Ramkumar Ramanathan | Daniel Elahi Galan | 7-5, 6-2 | | match details | ||
| 14.03.17 | qual. | Andrey Rublev | Ramkumar Ramanathan | 3-6, 6-3, 6-2 | | match details | Irving Challenger | Hard |
| 13.03.17 | q 1 | Ramkumar Ramanathan | Federico Gaio | 5-7, 6-1, 6-4 | | match details | ||
| 13.03.17 | q 2 | Ramkumar Ramanathan | Jozef Kovalik | 7-62, 6-3 | | match details | ||
| 13.02.17 | 1st round | Ernesto Escobedo | Ramkumar Ramanathan | 6-2, 6-3 | | match details | Tempe Challenger | Hard |
| 05.02.17 | Ramkumar Ramanathan | Finn Tearney | 7-5, 6-1, 6-0 | | match details | Davis Cup | Hard | |
| 03.02.17 | Ramkumar Ramanathan | Jose Statham | 6-3, 6-4, 6-3 | | match details | |||
| 03.01.17 | 1st round | Yuki Bhambri | Ramkumar Ramanathan | 6-1, 6-1 | | match details | Chennai | Hard |
| 17.12.16 | fin | Ramkumar Ramanathan | Sebastian Ofner | 7-5, 6-3 | | match details | Qatar F6 | Hard |
| 16.12.16 | 1/2 | Ramkumar Ramanathan | Edoardo Eremin | 3-0, Edoardo Eremin - retired | | match details | ||
| 15.12.16 | 1/4 | Ramkumar Ramanathan | Scott Clayton | 6-1, 7-5 | | match details | ||
| 14.12.16 | 2nd round | Ramkumar Ramanathan | Mateusz Terczynski | 6-3, 6-3 | | match details | ||
| 13.12.16 | 1st round | Ramkumar Ramanathan | Aoxiong Wang | 6-1, 6-0 | | match details | ||
| 10.12.16 | fin | Ramkumar Ramanathan | Sebastian Ofner | 7-5, 6-3 | | match details | Qatar F5 | Hard |
| 09.12.16 | 1/2 | Ramkumar Ramanathan | Mathieu Roy | 6-4, 6-2 | | match details | ||
| 08.12.16 | 1/4 | Ramkumar Ramanathan | Geoffrey Blancaneaux | 6-2, 6-2 | | match details | ||
| 07.12.16 | 2nd round | Ramkumar Ramanathan | Marcin Gawron | 7-63, 6-0 | | match details | ||
| 05.12.16 | 1st round | Ramkumar Ramanathan | Marek Semjan | 6-4, 6-4 | | match details | ||
| 01.12.16 | 1/4 | Jonny O'Mara | Ramkumar Ramanathan | 5-7, 6-2, 7-5 | | match details | Qatar F4 | Hard |
| 30.11.16 | 2nd round | Ramkumar Ramanathan | Marcin Gawron | 6-3, 6-2 | | match details | ||
| 29.11.16 | 1st round | Ramkumar Ramanathan | Mousa Zayed | 6-0, 6-0 | | match details | ||
| 26.10.16 | 2nd round | Sadio Doumbia | Ramkumar Ramanathan | 6-2, 7-5 | | match details | Pune Challenger | Hard |
| 25.10.16 | 1st round | Ramkumar Ramanathan | Alexander Zhurbin | 6-2, 3-6, 6-3 | | match details | ||
| 12.10.16 | 1st round | Peter Gojowczyk | Ramkumar Ramanathan | 6-4, 7-61 | | match details |  Ho Chi | Hard |
| 18.09.16 | David Ferrer | Ramkumar Ramanathan | 6-2, 6-2 | | match details | Davis Cup | Hard | |
| 16.09.16 | Rubber 1 | Feliciano Lopez | Ramkumar Ramanathan | 6-4, 6-4, 3-6, 6-1 | | match details | ||
| 24.08.16 | q 1 | Alessandro Giannessi | Ramkumar Ramanathan | 7-5, 6-1 | | match details | New York | Hard |
| 09.08.16 | 1st round | Cameron Norrie | Ramkumar Ramanathan | 6-3, 7-68 | | match details | Aptos Challenger | Hard |
| 03.08.16 | 1st round | Dominik Koepfer | Ramkumar Ramanathan | 3-6, 6-3, 6-4 | | match details | USA F26 | Hard |
| 28.07.16 | 2nd round | Andrew Whittington | Ramkumar Ramanathan | 7-64, 4-6, 6-4 | | match details | Lexington Challenger | Hard |
| 26.07.16 | 1st round | Ramkumar Ramanathan | Luke Saville | 4-6, 6-2, 6-1 | | match details | ||
| 23.07.16 | 1/2 | Mitchell Krueger | Ramkumar Ramanathan | 6-2, 6-4 | | match details | Binghamton Challenger | Hard |
| 22.07.16 | 1/4 | Ramkumar Ramanathan | Brydan Klein | 7-65, 6-73, 6-2 | | match details | ||
| 21.07.16 | 2nd round | Ramkumar Ramanathan | Jose Statham | 2-6, 6-4, 7-63 | | match details | ||
| 20.07.16 | 1st round | Ramkumar Ramanathan | Yasutaka Uchiyama | 6-3, 6-4 | | match details | ||
| 09.04.16 | 1/2 | Roberto Ortega-Olmedo | Ramkumar Ramanathan | 6-4, 7-65 | | match details | Spain F8 | Hard |
| 08.04.16 | 1/4 | Ramkumar Ramanathan | Akira Santillan | 7-62, 6-3 | | match details | ||
| 07.04.16 | 2nd round | Ramkumar Ramanathan | Nuno Deus | 6-2, 6-2 | | match details | ||
| 06.04.16 | 1st round | Ramkumar Ramanathan | Ivan Arenas-Gualda | 1-6, 7-5, 6-1 | | match details | ||
| 08.03.16 | 1st round | Jordan Thompson | Ramkumar Ramanathan | 7-65, 7-5 | | match details | Zhuhai Challenger | Hard |
| 13.01.16 | q 1 | Saketh-Sai Myneni | Ramkumar Ramanathan | 6-4, 6-1 | | match details | Melbourne | Hard |
| 08.01.16 | 1/4 | Aljaz Bedene | Ramkumar Ramanathan | 6-75, 6-4, 6-3 | | match details | Chennai | Hard |
| 07.01.16 | 2nd round | Ramkumar Ramanathan | Alexander Kudryavtsev | 3-6, 6-4, 6-4 | | match details | ||
| 05.01.16 | 1st round | Ramkumar Ramanathan | Daniel Gimeno-Traver | 6-2, 6-0 | | match details | ||
| 07.12.15 | 1/2 | Ramkumar Ramanathan | Sumit Nagal | 3-6, 6-3, 6-4 | | match details | India F19 | Hard |
| 07.12.15 | 1st round | Ramkumar Ramanathan | Rian Pandole | 6-4, 6-3 | | match details | ||
| 07.12.15 | fin | Ramkumar Ramanathan | Prajnesh Gunneswaran | 6-3, 6-3 | | match details | ||
| 07.12.15 | 2nd round | Ramkumar Ramanathan | Kaza Vinayak Sharma | 2-1, Kaza Vinayak Sharma - retired | | match details | ||
| 07.12.15 | 1/4 | Ramkumar Ramanathan | Sidharth Rawat | 6-2, 6-3 | | match details | ||
| 16.11.15 | 1/4 | Ramkumar Ramanathan | Kaza Vinayak Sharma | 6-3, 6-1 | | match details | India F16 | Hard |
| 16.11.15 | 1/2 | Ramkumar Ramanathan | Vishnu Vardhan | 7-63, 7-64 | | match details | ||
| 16.11.15 | 1st round | Ramkumar Ramanathan | Digvijay Singh Mehta | 6-1, 6-3 | | match details | ||
| 16.11.15 | fin | Ramkumar Ramanathan | Prajnesh Gunneswaran | 6-3, 6-4 | | match details | ||
| 16.11.15 | 2nd round | Ramkumar Ramanathan | Ronit Singh Bisht | 6-2, 6-2 | | match details | ||
| 28.10.15 | 2nd round | Adrian Menendez-Maceiras | Ramkumar Ramanathan | 7-66, 7-65 | | match details | Pune Challenger | Hard |
| 26.10.15 | 1st round | Ramkumar Ramanathan | Gerard Granollers | 7-66, 6-4 | | match details | ||
| 20.10.15 | 1st round | Egor Gerasimov | Ramkumar Ramanathan | 3-6, 7-63, 6-4 | | match details | Bangalore Challenger | Hard |
| 12.10.15 | 1/2 | Alex Molcan | Ramkumar Ramanathan | 6-4, 3-0, Ramkumar Ramanathan - retired | | match details | Turkey F41 | Hard |
| 12.10.15 | 1st round | Ramkumar Ramanathan | Sander Gille | 6-4, 4-6, 6-2 | | match details | ||
| 12.10.15 | 2nd round | Ramkumar Ramanathan | Robert Galloway | 6-3, 6-1 | | match details | ||
| 12.10.15 | 1/4 | Ramkumar Ramanathan | Anil Yuksel | Anil Yuksel - walk over | | match details | ||
| 05.10.15 | 1st round | Ramkumar Ramanathan | Robbie Mudge | 6-3, 6-2 | | match details | Turkey F40 | Hard |
| 05.10.15 | 2nd round | Ramkumar Ramanathan | Thomas Statzberger | 6-1, 1-6, 7-5 | | match details | ||
| 05.10.15 | 1/4 | Ramkumar Ramanathan | Alexandre Folie | 7-63, 6-3 | | match details | ||
| 05.10.15 | fin | Tim Van Rijthoven | Ramkumar Ramanathan | 6-3, 4-6, 6-4 | | match details | ||
| 05.10.15 | 1/2 | Ramkumar Ramanathan | Cem Ilkel | 6-4, 6-0 | | match details | ||
| 25.09.15 | 1/4 | Lukas Lacko | Ramkumar Ramanathan | 6-3, 7-5 | | match details | Izmir Challenger | Hard |
| 23.09.15 | 2nd round | Ramkumar Ramanathan | Daniel Masur | 4-6, 7-64, 7-63 | | match details | ||
| 22.09.15 | 1st round | Ramkumar Ramanathan | Elias Ymer | 6-73, 6-3, 7-5 | | match details | ||
| 27.08.15 | q 2 | Facundo Bagnis | Ramkumar Ramanathan | 6-3, 2-6, 7-6 | | match details | New York | Hard |
| 26.08.15 | q 1 | Ramkumar Ramanathan | Pedro Sousa | 6-2, 6-3 | | match details | ||
| 07.09.15 | fin | Ramkumar Ramanathan | Bowen Ouyang | 6-4, 6-2 | | match details | India F13 | Hard |
| 07.09.15 | 2nd round | Ramkumar Ramanathan | Niki Kaliyanda Poonacha | 6-4, 6-4 | | match details | ||
| 07.09.15 | 1/4 | Ramkumar Ramanathan | Sidharth Rawat | 6-3, 6-4 | | match details | ||
| 07.09.15 | 1/2 | Ramkumar Ramanathan | Markos Kalovelonis | 3-6, 6-3, 6-2 | | match details | ||
| 07.09.15 | 1st round | Ramkumar Ramanathan | Stefan Vujic | 6-0, 3-6, 6-3 | | match details | ||
| 01.09.15 | 1st round | Ze Zhang | Ramkumar Ramanathan | 6-3, 6-0 | | match details | Bangkok Challenger | Hard |
| 10.08.15 | 1/4 | Ramkumar Ramanathan | Daniel Garza | 6-3, 6-4 | | match details | USA F25 | Hard |
| 10.08.15 | 1/2 | Kevin King | Ramkumar Ramanathan | 6-2, 6-2 | | match details | ||
| 10.08.15 | 1st round | Ramkumar Ramanathan | Hunter Callahan | 4-6, 6-2, 6-1 | | match details | ||
| 10.08.15 | 2nd round | Ramkumar Ramanathan | Aron Hiltzik | 7-5, 6-76, 6-4 | | match details | ||
| 03.08.15 | 2nd round | Dominic Cotrone | Ramkumar Ramanathan | 2-6, 6-4, 7-62 | | match details | USA F24 | Hard |
| 03.08.15 | 1st round | Ramkumar Ramanathan | Ante Pavic | 7-65, 7-64 | | match details | ||
| 29.07.15 | 1st round | Brydan Klein | Ramkumar Ramanathan | 6-3, 6-3 | | match details | Lexington Challenger | Hard |
| 08.06.15 | 1st round | Yuqing Ning | Ramkumar Ramanathan | 6-2, 4-2, Ramkumar Ramanathan - retired | | match details |  Hong Kong | Hard |
| 04.06.15 | 2nd round | Ji Sung Nam | Ramkumar Ramanathan | 3-6, 6-2, 6-3 | | match details | Gimcheon Challenger | Hard |
| 03.06.15 | 1st round | Ramkumar Ramanathan | Kento Takeuchi | 6-2, 6-2 | | match details | ||
| 25.05.15 | 1/4 | Ramkumar Ramanathan | Kaza Vinayak Sharma | 6-3, 7-64 | | match details | India F6 | Hard |
| 25.05.15 | 1/2 | Ramkumar Ramanathan | Ranjeet Virali-Murugesan | 6-74, 6-4, 4-2, Ranjeet Virali-Murugesan - retired | | match details | ||
| 25.05.15 | 1st round | Ramkumar Ramanathan | Aditya Deswal | 6-3, 6-4 | | match details | ||
| 25.05.15 | fin | Ramkumar Ramanathan | Vishnu Vardhan | 7-62, 3-6, 6-3 | | match details | ||
| 25.05.15 | 2nd round | Ramkumar Ramanathan | Sidharth Rawat | 4-6, 6-4, 6-2 | | match details | ||
| 05.05.15 | 1st round | Evgeny Donskoy | Ramkumar Ramanathan | 6-1, 6-1 | | match details | Karshi Challenger | Hard |
| 09.04.15 | 2nd round | Radu Albot | Ramkumar Ramanathan | 7-63, 7-5 | | match details | Batman Challenger | Hard |
| 07.04.15 | 1st round | Ramkumar Ramanathan | Baris Erguden | 6-4, 7-63 | | match details | ||
| 30.03.15 | 1/2 | Tomislav Brkic | Ramkumar Ramanathan | 6-4, 6-72, 6-2 | | match details | Turkey F13 | Hard |
| 30.03.15 | 1st round | Ramkumar Ramanathan | Clement Larriere | 6-2, 6-0 | | match details | ||
| 30.03.15 | 2nd round | Ramkumar Ramanathan | Tobias Dankl | 6-3, 6-1 | | match details | ||
| 30.03.15 | 1/4 | Ramkumar Ramanathan | Maxime Janvier | 7-65, 2-6, 6-4 | | match details | ||
| 09.03.15 | 1/4 | Ramkumar Ramanathan | Sumit Nagal | 3-6, 6-3, 6-4 | | match details | India F2 | Hard |
| 09.03.15 | 1st round | Ramkumar Ramanathan | Lakshit Sood | 6-0, 6-1 | | match details | ||
| 09.03.15 | 2nd round | Ramkumar Ramanathan | Chandril Sood | 6-2, 6-3 | | match details | ||
| 09.03.15 | 1/2 | Jeevan Nedunchezhiyan | Ramkumar Ramanathan | 7-5, 4-6, 6-3 | | match details | ||
| 26.02.15 | 1/4 | Ti Chen | Ramkumar Ramanathan | 6-4, 3-6, 7-65 | | match details | Kolkata Challenger | Hard |
| 25.02.15 | 2nd round | Ramkumar Ramanathan | Miki Jankovic | 6-1, 5-7, 7-5 | | match details | ||
| 24.02.15 | 1st round | Ramkumar Ramanathan | Somdev Devvarman | 4-6, 6-3, 6-4 | | match details | ||
| 19.02.15 | 2nd round | Radu Albot | Ramkumar Ramanathan | 6-4, 6-2 | | match details | New Delhi | Hard |
| 17.02.15 | 1st round | Ramkumar Ramanathan | Richard Becker | 4-6, 7-63, 6-4 | | match details | ||
| 29.01.15 | 2nd round | Saketh-Sai Myneni | Ramkumar Ramanathan | 7-5, 7-5 | | match details | Hong Kong | Hard |
| 28.01.15 | 1st round | Ramkumar Ramanathan | Yan Bai | 3-6, 6-4, 4-1, Yan Bai - retired | | match details | ||
| 14.01.15 | q 1 | Nils Langer | Ramkumar Ramanathan | 7-5, 4-6, 6-4 | | match details | Melbourne | Hard |
| 06.01.15 | 1st round | Tatsuma Ito | Ramkumar Ramanathan | 6-3, 6-3 | | match details | Chennai | Hard |
| 15.12.14 | 1/4 | Guillaume Rufin | Ramkumar Ramanathan | 6-3, 7-5 | | match details | Qatar F6 | Hard |
| 15.12.14 | 1st round | Ramkumar Ramanathan | Pirmin Haenle | 6-2, 6-1 | | match details | ||
| 15.12.14 | 2nd round | Ramkumar Ramanathan | Michael Geerts | 6-3, 5-7, 7-64 | | match details | ||
| 08.12.14 | 1/2 | Ramkumar Ramanathan | Richard Gabb | 6-4, 6-2 | | match details | Qatar F5 | Hard |
| 08.12.14 | 1st round | Ramkumar Ramanathan | Niels Lootsma | 4-6, 7-67, 6-3 | | match details | ||
| 08.12.14 | 2nd round | Ramkumar Ramanathan | Evgeny Karlovskiy | 7-5, 4-6, 6-3 | | match details | ||
| 08.12.14 | fin | Nikoloz Basilashvili | Ramkumar Ramanathan | 7-65, 6-2 | | match details | ||
| 08.12.14 | 1/4 | Ramkumar Ramanathan | Scott Clayton | 6-2, 6-3 | | match details | ||
| 03.11.14 | fin | Ramkumar Ramanathan | Saketh-Sai Myneni | 6-1, 6-2 | | match details | India F7 | Hard |
| 03.11.14 | 2nd round | Ramkumar Ramanathan | Mukund Sasikumar | 7-63, 6-2 | | match details | ||
| 03.11.14 | 1/4 | Ramkumar Ramanathan | Mohit Mayur Jayaprakash | 6-4, 6-4 | | match details | ||
| 03.11.14 | 1/2 | Ramkumar Ramanathan | N.Sriram Balaji | 6-3, 4-6, 6-2 | | match details | ||
| 03.11.14 | 1st round | Ramkumar Ramanathan | Jatin Dahiya | 6-2, 6-1 | | match details | ||
| 29.10.14 | 2nd round | Gregoire Barrere | Ramkumar Ramanathan | 6-4, 6-74, 7-61 | | match details | Reunion Island | Hard |
| 28.10.14 | 1st round | Ramkumar Ramanathan | Luca Margaroli | 7-5, 6-3 | | match details | ||
| 21.10.14 | 1st round | Yuichi Sugita | Ramkumar Ramanathan | 7-5, 7-64 | | match details | Pune Challenger | Hard |
| 18.10.14 | 1/2 | Saketh-Sai Myneni | Ramkumar Ramanathan | 6-2, 6-1 | | match details | Indore Challenger | Hard |
| 17.10.14 | 1/4 | Ramkumar Ramanathan | Ti Chen | 6-76, 7-62, 7-5 | | match details | ||
| 16.10.14 | 2nd round | Ramkumar Ramanathan | Yuki Bhambri | 7-64, 6-3 | | match details | ||
| 14.10.14 | 1st round | Ramkumar Ramanathan | Gianluigi Quinzi | 6-1, 6-4 | | match details | ||
| 29.09.14 | 2nd round | Ramkumar Ramanathan | Nicolas Rosenzweig | 1-6, 6-3, 6-2 | | match details | Turkey F34 | Hard |
| 29.09.14 | 1/4 | Takashi Saito | Ramkumar Ramanathan | 2-6, 6-0, 6-4 | | match details | ||
| 29.09.14 | 1st round | Ramkumar Ramanathan | Young Seok Kim | 7-64, 6-4 | | match details | ||
| 22.09.14 | 1/2 | Ramkumar Ramanathan | Anil Yuksel | 6-2, 7-5 | | match details | Turkey F33 | Hard |
| 22.09.14 | 1st round | Ramkumar Ramanathan | Scott Browne | 6-1, 6-2 | | match details | ||
| 22.09.14 | fin | Ramkumar Ramanathan | Ricardo Rodriguez-Pace | 6-3, 6-0 | | match details | ||
| 22.09.14 | 2nd round | Ramkumar Ramanathan | Katsuki Nagao | 6-2, 7-5 | | match details | ||
| 22.09.14 | 1/4 | Ramkumar Ramanathan | Hiroyasu Ehara | 6-75, 6-2, 6-1 | | match details | ||
| 15.09.14 | fin | Ramkumar Ramanathan | Remi Boutillier | 6-4, 7-68 | | match details | Turkey F32 | Hard |
| 15.09.14 | 2nd round | Ramkumar Ramanathan | Adrian Bodmer | 6-75, 7-5, 7-5 | | match details | ||
| 15.09.14 | 1/4 | Ramkumar Ramanathan | Duckhee Lee | 6-2, 6-4 | | match details | ||
| 15.09.14 | 1/2 | Ramkumar Ramanathan | Matija Pecotic | 6-3, 6-4 | | match details | ||
| 15.09.14 | 1st round | Ramkumar Ramanathan | Wishaya Trongcharoenchaikul | 6-4, 6-2 | | match details | ||
| 26.08.14 | 1st round | Luca Vanni | Ramkumar Ramanathan | 7-65, 7-64 | | match details | Bangkok Challenger | Hard |
| 18.08.14 | 1st round | Chih-Jen Ho | Ramkumar Ramanathan | 4-6, 7-5, Ramkumar Ramanathan - retired | | match details | .png){kind=small} Chinese Taipei | Hard |
| 23.06.14 | 1st round | Ramkumar Ramanathan | Erik Crepaldi | 6-4, 7-68 | | match details | Spain F15 | Hard |
| 23.06.14 | 2nd round | Ramkumar Ramanathan | Jorge Hernando-Ruano | 3-6, 6-1, 7-5 | | match details | ||
| 23.06.14 | 1/4 | Eduardo Struvay | Ramkumar Ramanathan | 6-4, 6-4 | | match details | ||
| 26.05.14 | 2nd round | Pruchya Isarow | Ramkumar Ramanathan | 7-5, 6-2 | | match details | Thailand F5 | Hard |
| 26.05.14 | 1st round | Ramkumar Ramanathan | David Sofaer | 6-2, 6-2 | | match details | ||
| 12.05.14 | q 2 | Ramkumar Ramanathan | Batuhan Cakmak | 6-2, 6-2 | | match details | Turkey F16 | Hard |
| 12.05.14 | 1st round | Ramkumar Ramanathan | Sho Katayama | 6-2, 6-0 | | match details | ||
| 12.05.14 | qual. | Ramkumar Ramanathan | Ivan Liutarevich | 6-2, 6-0 | | match details | ||
| 12.05.14 | 2nd round | Ramkumar Ramanathan | Hugo Grenier | 7-5, 5-7, 6-2 | | match details | ||
| 12.05.14 | 1/4 | Ramkumar Ramanathan | Kirill Dmitriev | 6-1, 6-2 | | match details | ||
| 12.05.14 | 1/2 | Jaime Pulgar-Garcia | Ramkumar Ramanathan | 6-3, 6-3 | | match details | ||
| 05.05.14 | 1/4 | Mats Moraing | Ramkumar Ramanathan | 7-5, 7-5 | | match details | Turkey F15 | Hard |
| 05.05.14 | 1st round | Ramkumar Ramanathan | Lukas Weinhandl | 6-1, 7-64 | | match details | ||
| 05.05.14 | 2nd round | Ramkumar Ramanathan | Ricardo Chile-Fonte | 6-0, 6-1 | | match details | ||
| 28.04.14 | 1/2 | Ramkumar Ramanathan | Peter Heller | 6-4, 6-4 | | match details | Turkey F14 | Hard |
| 28.04.14 | 1st round | Ramkumar Ramanathan | Aoran Wang | 6-1, 6-2 | | match details | ||
| 28.04.14 | fin | Ramkumar Ramanathan | Anton Zaitcev | 6-76, 6-0, 6-2 | | match details | ||
| 28.04.14 | 2nd round | Ramkumar Ramanathan | Sergei Bubka | 6-75, 6-4, 6-4 | | match details | ||
| 28.04.14 | 1/4 | Ramkumar Ramanathan | Simeon Rossier | 6-1, 6-4 | | match details | ||
| 21.04.14 | 2nd round | Franjo Raspudic | Ramkumar Ramanathan | 6-4, 6-1 | | match details | Turkey F13 | Hard |
| 21.04.14 | 1st round | Ramkumar Ramanathan | Yvo Panak | 7-5, 6-4 | | match details | ||
| 03.03.14 | 1st round | Shotaro Goto | Ramkumar Ramanathan | 3-6, 6-1, 6-1 | | match details | India F2 | Hard |
| 24.02.14 | 1st round | Ramkumar Ramanathan | Lucas Renard | 7-65, 6-2 | | match details | India F1 | Hard |
| 24.02.14 | 2nd round | Ramkumar Ramanathan | Kunal Anand | 4-6, 6-3, 6-2 | | match details | ||
| 24.02.14 | 1/4 | Antal Van Der Duim | Ramkumar Ramanathan | 6-3, 6-3 | | match details | ||
| 18.02.14 | 1st round | Ilija Bozoljac | Ramkumar Ramanathan | 6-2, 6-75, 6-4 | | match details | New Delhi | Hard |
| 08.02.14 | q 1 | Richard Becker | Ramkumar Ramanathan | 6-4, 6-4 | | match details | Kolkata Challenger | Hard |
| 04.02.14 | 1st round | Somdev Devvarman | Ramkumar Ramanathan | 7-5, 5-4, Ramkumar Ramanathan - retired | | match details | Chennai Challenger | Hard |
| 02.01.14 | 2nd round | Marcel Granollers | Ramkumar Ramanathan | 6-2, 6-4 | | match details | Chennai | Hard |
| 31.12.13 | 1st round | Ramkumar Ramanathan | Somdev Devvarman | 4-6, 6-3, 6-4 | | match details | ||
| 30.12.13 | qual. | Ramkumar Ramanathan | Norbert Gombos | 7-63, 3-6, 6-3 | | match details | ||
| 29.12.13 | q 2 | Ramkumar Ramanathan | Mikhail Elgin | 6-3, 7-5 | | match details | ||
| 28.12.13 | q 1 | Ramkumar Ramanathan | Sumit Nagal | 6-2, 6-0 | | match details | ||
| 09.12.13 | 1/2 | Toshihide Matsui | Ramkumar Ramanathan | 6-2, 7-5 | | match details |  Cambodia F3 | Hard |
| 09.12.13 | 2nd round | Ramkumar Ramanathan | Ivo Klec | 6-3, 7-61 | | match details | ||
| 09.12.13 | 1/4 | Ramkumar Ramanathan | Robin Kern | 7-66, 6-4 | | match details | ||
| 09.12.13 | 1st round | Ramkumar Ramanathan | Samneang Long | 6-0, 6-2 | | match details | ||
| 02.12.13 | 1/4 | Ramkumar Ramanathan | Soong-Jae Cho | 6-0, 7-5 | | match details | Cambodia F2 | Hard |
| 02.12.13 | 1/2 | Ramkumar Ramanathan | Hiroki Kondo | 7-62, 6-4 | | match details | ||
| 02.12.13 | 1st round | Ramkumar Ramanathan | Katsushi Fukuda | 6-3, 6-4 | | match details | ||
| 02.12.13 | 2nd round | Ramkumar Ramanathan | Soichiro Moritani | 6-3, 7-5 | | match details | ||
| 02.12.13 | fin | Ramkumar Ramanathan | Joshua Goodall | 6-1, 4-6, 6-4 | | match details | ||
| 25.11.13 | fin | Ramkumar Ramanathan | Duckhee Lee | 3-6, 7-66, 6-4 | | match details | India F11 | Hard |
| 25.11.13 | 2nd round | Ramkumar Ramanathan | Mukund Sasikumar | 6-3, 6-1 | | match details | ||
| 25.11.13 | 1/4 | Ramkumar Ramanathan | N.Sriram Balaji | 6-2, 1-0, N.Sriram Balaji - retired | | match details | ||
| 25.11.13 | 1/2 | Ramkumar Ramanathan | Torsten Wietoska | 5-7, 7-5, 6-3 | | match details | ||
| 25.11.13 | 1st round | Ramkumar Ramanathan | Timon Reichelt | 6-4, 6-3 | | match details | ||
| 18.11.13 | 1st round | Ramkumar Ramanathan | Garvit Batra | 6-2, 6-4 | | match details | India F10 | Hard |
| 18.11.13 | 2nd round | Ramkumar Ramanathan | Markos Kalovelonis | 6-75, 6-3, 6-2 | | match details | ||
| 18.11.13 | 1/4 | Jeevan Nedunchezhiyan | Ramkumar Ramanathan | 6-3, 6-3 | | match details | ||
| 11.11.13 | 2nd round | N.Sriram Balaji | Ramkumar Ramanathan | 4-6, 6-3, 6-2 | | match details | India F9 | Hard |
| 11.11.13 | 1st round | Ramkumar Ramanathan | Garry Tokas | 6-3, 6-1 | | match details | ||
| 26.08.13 | 1st round | Richard Gabb | Ramkumar Ramanathan | 1-6, 6-4, 6-0 | | match details | Turkey F34 | Hard |
| 19.08.13 | 1st round | Ramkumar Ramanathan | Alexey Nesterov | 6-2, 6-2 | | match details | Turkey F33 | Hard |
| 19.08.13 | 2nd round | Ramkumar Ramanathan | Romain Bauvy | 6-1, 6-3 | | match details | ||
| 19.08.13 | 1/4 | Borna Coric | Ramkumar Ramanathan | 6-75, 6-2, 6-3 | | match details | ||
| 12.08.13 | 1/4 | Enzo Couacaud | Ramkumar Ramanathan | 6-4, 7-5 | | match details | Turkey F32 | Hard |
| 12.08.13 | 1st round | Ramkumar Ramanathan | Daniiar Duldaev | 3-6, 6-2, 6-3 | | match details | ||
| 12.08.13 | 2nd round | Ramkumar Ramanathan | Romain Bauvy | 6-1, 6-3 | | match details | ||
| 05.08.13 | 2nd round | Tucker Vorster | Ramkumar Ramanathan | 7-63, 6-3 | | match details | Turkey F31 | Hard |
| 05.08.13 | 1st round | Ramkumar Ramanathan | Timur Khabibulin | 6-0, 4-6, 6-4 | | match details | ||
| 24.06.13 | 1st round | Ramkumar Ramanathan | David Vega Hernandez | 6-2, 0-6, 7-5 | | match details | Spain F19 | Hard |
| 24.06.13 | 2nd round | Sergio Gutierrez-Ferrol | Ramkumar Ramanathan | 7-60, 2-6, 6-1 | | match details | ||
| 17.06.13 | 1st round | Goncalo Oliveira | Ramkumar Ramanathan | 4-6, 6-2, 6-0 | | match details | Spain F18 | Hard |
| 10.06.13 | 2nd round | Ramkumar Ramanathan | Emilien Firmin | 7-62, 6-4 | | match details | Spain F17 | Hard |
| 10.06.13 | fin | Steven Diez | Ramkumar Ramanathan | 7-5, 6-74, 6-4 | | match details | ||
| 10.06.13 | 1/4 | Ramkumar Ramanathan | Mathieu Roy | 6-2, 6-3 | | match details | ||
| 10.06.13 | 1/2 | Ramkumar Ramanathan | Jose Checa-Calvo | 7-65, 5-0, Jose Checa-Calvo - retired | | match details | ||
| 10.06.13 | 1st round | Ramkumar Ramanathan | Pedro Dominguez Alonso | 6-1, 6-4 | | match details | ||
| 03.06.13 | 1st round | Jose Checa-Calvo | Ramkumar Ramanathan | 6-3, 6-2 | | match details | Spain F16 | Hard |
| 22.04.13 | 1st round | Edualdo Bonet-De Gispert | Ramkumar Ramanathan | 6-4, 6-3 | | match details | Spain F10 | Hard |
| 30.12.12 | q 1 | Rajeev Ram | Ramkumar Ramanathan | 6-4, 6-1 | | match details | Chennai | Hard |
| 17.12.12 | 2nd round | Theodoros Angelinos | Ramkumar Ramanathan | 4-6, 7-61, 6-4 | | match details | India F17 | Hard |
| 17.12.12 | 1st round | Ramkumar Ramanathan | Rutger Cramer | 6-1, 6-2 | | match details | ||
| 10.12.12 | 1/2 | Ramkumar Ramanathan | Torsten Wietoska | 7-63, 7-5 | | match details | India F16 | Hard |
| 10.12.12 | 1st round | Ramkumar Ramanathan | William Kendall | 6-2, 6-3 | | match details | ||
| 10.12.12 | 2nd round | Ramkumar Ramanathan | Vijayant Malik | 7-5, 3-1, Vijayant Malik - retired | | match details | ||
| 10.12.12 | fin | Sanam Singh | Ramkumar Ramanathan | 6-2, 7-64 | | match details | ||
| 10.12.12 | 1/4 | Ramkumar Ramanathan | Arjun Kadhe | 6-4, 6-73, 6-1 | | match details | ||
| 03.12.12 | 2nd round | Jeevan Nedunchezhiyan | Ramkumar Ramanathan | 6-3, 6-1 | | match details | India F15 | Hard |
| 03.12.12 | 1st round | Ramkumar Ramanathan | Ronak Manuja | 6-2, 6-2 | | match details | ||
| 29.10.12 | 1st round | Liang-Chi Huang | Ramkumar Ramanathan | 6-1, 6-1 | | match details | India F14 | Hard |
| 22.10.12 | 1st round | N.Sriram Balaji | Ramkumar Ramanathan | 7-5, 6-4 | | match details | India F13 | Hard |
| 25.06.12 | 2nd round | Gerard Granollers | Ramkumar Ramanathan | 6-3, 7-5 | | match details | Spain F18 | Hard |
| 25.06.12 | 1st round | Ramkumar Ramanathan | Marcos Esparcia Omedas | 6-3, 6-2 | | match details | ||
| 18.06.12 | 1st round | Ricardo Ojeda Lara | Ramkumar Ramanathan | 7-63, 6-3 | | match details | Spain F17 | Hard |
| 11.06.12 | 1st round | Ramkumar Ramanathan | Sergio Magro Moreno | 6-3, 6-4 | | match details | Spain F16 | Hard |
| 11.06.12 | 2nd round | Taro Daniel | Ramkumar Ramanathan | 6-3, 6-1 | | match details | ||
| 27.02.12 | 1st round | Kenny Bun | Ramkumar Ramanathan | 1-6, 6-3, 6-4 | | match details | India F2 | Hard |
| 31.12.11 | q 1 | Mohit Mayur Jayaprakash | Ramkumar Ramanathan | 6-2, 6-2 | | match details | Chennai | Hard |
| 21.11.11 | 1st round | Junn Mitsuhashi | Ramkumar Ramanathan | 6-2, 6-4 | | match details | India F11 | Hard |
| 14.11.11 | 1st round | Kaza Vinayak Sharma | Ramkumar Ramanathan | 6-4, 6-3 | | match details | India F10 | Hard |
| 07.11.11 | 1st round | N.Sriram Balaji | Ramkumar Ramanathan | 3-6, 7-61, 6-4 | | match details | India F9 | Hard |
| 22.08.11 | 1st round | Carlos Calderon-Rodriguez | Ramkumar Ramanathan | 6-3, 6-1 | | match details | Spain F30 | Hard |
| 27.06.11 | 2nd round | Josselin Ouanna | Ramkumar Ramanathan | 6-4, 6-1 | | match details | Spain F22 | Hard |
| 27.06.11 | 1st round | Ramkumar Ramanathan | Oleksandr Kazakov | 6-2, 6-4 | | match details | ||
| 20.06.11 | 1st round | Ramkumar Ramanathan | Oleksandr Kazakov | 7-64, 6-3 | | match details | Spain F21 | Hard |
| 20.06.11 | 1/4 | Roberto Ortega-Olmedo | Ramkumar Ramanathan | 6-2, 6-2 | | match details | ||
| 20.06.11 | 2nd round | Ramkumar Ramanathan | Stepan Khotulev | 1-6, 6-2, 6-0 | | match details | ||
| 13.06.11 | 1st round | Denis Yevseyev | Ramkumar Ramanathan | 6-2, 7-61 | | match details | Spain F20 | Hard |
