Ramkumar Ramanathan
| ITF M15 Chennai | 04/08 03:30 | 28 | Sidharth Rawat v Ramkumar Ramanathan | 6-3,6-1 | |
| ITF M15 Chennai | 04/07 03:30 | 27 | [279] Niki Kaliyanda Poonacha v Ramkumar Ramanathan [414] | 3-6,4-6 | |
| ITF M15 Chennai | 04/06 06:25 | 26 | Grigoriy Lomakin v Ramkumar Ramanathan | 0-6,2-6 | |
| ITF M15 Chennai | 04/05 09:35 | 25 | Kabir Hans v Ramkumar Ramanathan | 4-6,1-6 | |
| ITF M25 Mysore | 03/29 05:40 | 25 | S D Prajwal Dev v Ramkumar Ramanathan | Cancelled | |
| Challenger Biel | 03/19 17:30 | 14 | [414] Ramkumar Ramanathan v Karol Drzewiecki [128] | 4-6,7-5,2-6 | |
| Challenger Szekesfehervar | 03/12 10:15 | 14 | [384] Julian Ocleppo v Ramkumar Ramanathan [414] | 6-3,6-1 | |
| Challenger Bangalore | 02/19 09:30 | 14 | [305] Yasutaka Uchiyama v Ramkumar Ramanathan [415] | 3-6,7-5,6-3 | |
| Challenger Chennai | 02/14 09:10 | 25 | [415] Ramkumar Ramanathan v Dimitar Kuzmanov [196] | 3-6,6-7 | |
| Challenger Ottignies | 01/23 15:00 | 14 | [219] Joris De Loore v Ramkumar Ramanathan [414] | 7-6,6-1 | |
| ATP Pune | 01/03 08:30 | 25 | [62] Pedro Martinez v Ramkumar Ramanathan [435] | 3-6,7-5,6-3 | |
| ATP Pune | 01/01 05:30 | 19 | [153] Mattia Bellucci v Ramkumar Ramanathan [435] | 3-6,5-7 | |
| ATP Pune | 12/31 08:10 | 14 | [435] Ramkumar Ramanathan v Otto Virtanen [175] | 2-6,7-5,6-2 | |
| Challenger Yokkaichi | 11/22 01:00 | 25 | [280] Ramkumar Ramanathan v Colin Sinclair [498] | 2-6,2-6 | |
| Challenger Kobe | 11/18 04:45 | 27 | [289] Ramkumar Ramanathan v Yosuke Watanuki [196] | 5-7,1-6 | |
| Challenger Kobe | 11/17 02:00 | 26 | [289] Ramkumar Ramanathan v Jason Jung [399] | Retired | |
| Challenger Kobe | 11/15 01:00 | 25 | [161] Kaichi Uchida v Ramkumar Ramanathan [289] | 4-6,6-4,3-6 | |
| Challenger Matsuyama | 11/07 04:40 | 25 | [196] Li Tu v Ramkumar Ramanathan [285] | 6-3,7-6 | |
| Challenger Yokohama | 11/01 01:00 | 25 | [102] Christopher O'Connell v Ramkumar Ramanathan [267] | 6-4,7-6 | |
| Challenger Vilnius | 10/17 13:00 | 25 | [204] Laurent Lokoli v Ramkumar Ramanathan [266] | 6-1,6-4 | |
| Challenger Ismaning | 10/13 10:30 | 26 | [78] Quentin Halys v Ramkumar Ramanathan [274] | 7-6,3-6,7-5 | |
| Challenger Ismaning | 10/11 14:00 | 25 | [274] Ramkumar Ramanathan v Billy Harris [295] | 7-6,6-7,7-6 | |
| ATP Tokyo | 10/04 07:30 | 25 | [291] Rio Noguchi v Ramkumar Ramanathan [297] | 6-4,3-6,7-6 | |
| ATP Tokyo | 10/02 03:40 | 19 | [124] Elias Ymer v Ramkumar Ramanathan [299] | 7-5,4-6,1-6 | |
| ATP Tokyo | 10/01 07:55 | 14 | Ryota Tanuma v Ramkumar Ramanathan | 5-7,3-6 | |
| Challenger Orleans | 09/28 08:30 | 25 | [299] Ramkumar Ramanathan v Adrian Andreev [247] | 4-6,6-1,2-6 | |
| Challenger Sibiu | 09/20 07:30 | 25 | [71] Federico Coria v Ramkumar Ramanathan [277] | 6-2,6-1 | |
| Coppa Davis | 09/17 14:10 | 4 | Casper Ruud v Ramkumar Ramanathan | Cancelled | |
| Coppa Davis | 09/16 17:30 | 2 | [325] Viktor Durasovic v Ramkumar Ramanathan [276] | 6-1,6-4 | |
| US Open | 08/24 15:00 | 14 | Ramkumar Ramanathan v Bruno Kuzuhara | 3-6,5-7 |
Wikipedia - Ramkumar Ramanathan
Ramkumar Ramanathan (Chennai, 8 novembre 1994) è un tennista indiano.