| 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 Mysuru | 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 - Bengaluru | 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 | |
| Cupa Davis | 09/17 14:10 | 4 | Casper Ruud v Ramkumar Ramanathan | Cancelled | |
| Cupa 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 (n. 8 noiembrie 1994) este un jucător profesionist de tenis indian. Este primul jucător indian care a ajuns într-o finală de simplu ATP în turneul mondial de la Somdev Devvarman. Cea mai înaltă poziție în clasamentul ATP la simplu este numărul 111 (30 iulie 2018) iar la dublu numărul 101 (2 martie 2020) și reprezintă India în Cupa Davis.