| ITF - M15 Chandigarh | 03/24 04:30 | 29 | [331] Khumoyun Sultanov v Ramkumar Ramanathan [410] | 6-4,6-2 | |
| ITF - M15 Chandigarh | 03/23 04:30 | 28 | [488] Nam Hoang Ly v Ramkumar Ramanathan [410] | 3-6,2-6 | |
| ITF - M15 Chandigarh | 03/22 04:25 | 27 | Chirag Duhan v Ramkumar Ramanathan | 6-4,2-6,4-6 | |
| ITF - M15 Chandigarh | 03/21 04:00 | 26 | [492] Woobin Shin v Ramkumar Ramanathan [410] | 2-6,5-7 | |
| ITF - M15 Chandigarh | 03/20 05:00 | 25 | Manish Ganesh v Ramkumar Ramanathan | 3-6,2-6 | |
| ITF - M25 New Delhi | 03/17 08:25 | 29 | Karan Singh v Ramkumar Ramanathan | 2-6,2-6 | |
| ITF - M25 New Delhi | 03/16 05:30 | 28 | [409] Ramkumar Ramanathan v Nam Hoang Ly [488] | 6-2,6-4 | |
| ITF - M25 New Delhi | 03/15 04:00 | 27 | Siddharth Vishwakarma v Ramkumar Ramanathan | 4-6,2-6 | |
| ITF - M25 New Delhi | 03/14 05:25 | 26 | Yunseok Jang v Ramkumar Ramanathan | 1-6,2-6 | |
| ITF - M25 New Delhi | 03/13 05:55 | 25 | Thanapet Chanta v Ramkumar Ramanathan | 4-6,4-6 | |
| Challenger - New Delhi | 02/27 04:30 | 25 | [462] Ramkumar Ramanathan v Tristan Schoolkate [243] | 3-6,2-6 | |
| Challenger - Pune | 02/22 07:50 | 26 | Alexey Zakharov v Ramkumar Ramanathan | 6-4,6-4 | |
| Challenger - Pune | 02/20 11:55 | 25 | [204] Stefano Napolitano v Ramkumar Ramanathan [462] | 6-7,6-7 | |
| Challenger - Bengaluru | 02/16 08:30 | 27 | [462] Ramkumar Ramanathan v Seongchan Hong [221] | 5-7,7-5,4-6 | |
| Challenger - Bengaluru | 02/14 07:00 | 26 | [108] Luca Nardi v Ramkumar Ramanathan [462] | 6-1,4-6,4-6 | |
| Challenger - Bengaluru | 02/12 10:30 | 25 | [462] Ramkumar Ramanathan v Maxime Janvier [259] | 6-7,7-5,6-4 | |
| Challenger Chennai | 02/06 15:05 | 25 | [459] Ramkumar Ramanathan v Oriol Roca Batalla [216] | 6-7,2-6 | |
| Davis Cup | 02/04 07:30 | 1 | Aqeel Khan v Ramkumar Ramanathan | Cancelled | |
| Davis Cup | 02/03 05:55 | 1 | [154] Aisam Qureshi v Ramkumar Ramanathan [461] | 7-6,6-7,0-6 | |
| Challenger - Nonthaburi | 01/09 03:00 | 25 | [219] Valentin Vacherot v Ramkumar Ramanathan [475] | 6-4,6-3 | |
| Challenger - Nonthaburi | 01/08 03:00 | 19 | [487] Makoto Ochi v Ramkumar Ramanathan [440] | 4-6,2-6 | |
| Challenger - Nonthaburi | 01/07 03:00 | 14 | [440] Ramkumar Ramanathan v Akira Santillan [392] | 6-1,6-1 | |
| ITF - M25 Kalaburagi | 12/03 04:00 | 29 | [177] Ramkumar Ramanathan v David Pichler [308] | 6-2,6-1 | |
| ITF - M25 Kalaburagi | 12/02 04:00 | 28 | Ramkumar Ramanathan v Ryotaro Taguchi | 6-2,6-1 | |
| ITF - M25 Kalaburagi | 12/01 05:30 | 27 | Manish Sureshkumar v Ramkumar Ramanathan | 5-7,0-6 | |
| ITF - M25 Kalaburagi | 11/30 05:55 | 26 | Kabir Hans v Ramkumar Ramanathan | 5-7,6-3,2-6 | |
| ITF - M25 Kalaburagi | 11/29 04:45 | 25 | Ajay Malik v Ramkumar Ramanathan | 0-6,0-6 | |
| ITF - M25 Mumbai | 11/26 05:00 | 29 | Siddharth Vishwakarma v Ramkumar Ramanathan | 0-6,4-6 | |
| ITF - M25 Mumbai | 11/25 05:00 | 28 | [177] Ramkumar Ramanathan v Louis Wessels [360] | 7-6,6-3 | |
| ITF - M25 Mumbai | 11/24 04:30 | 27 | [363] Ryuki Matsuda v Ramkumar Ramanathan [177] | 6-7,6-3,5-7 |
Wikipedia - Ramkumar Ramanathan
Ramkunar Ramanathan (Chennai, 8 november 2001) is een tennisser uit India. Hij won nog geen ATP-toernooien maar stond eenmaal in een ATP-finale in het enkelspel. Hij heeft twee titels in het dubbelspel gewonnen.