| Challenger - Orlando | 11/17 18:35 | 25 | [437] Nick Chappell v Ramkumar Ramanathan [186] | 6-3,6-4 | |
| Challenger - Cary | 11/11 16:00 | 25 | [185] Ramkumar Ramanathan v Teymuraz Gabashvili [276] | 6-3,4-6,1-6 | |
| Challenger - Eckental | 11/08 10:00 | 29 | [206] Ramkumar Ramanathan v Sebastian Korda [136] | 4-6,4-6 | |
| Challenger - Eckental | 11/07 10:00 | 28 | Marvin Moeller v Ramkumar Ramanathan | 6-4,1-6,1-6 | |
| Challenger - Eckental | 11/06 10:00 | 27 | [120] Evgeny Donskoy v Ramkumar Ramanathan [206] | 2-6,1-6 | |
| Challenger - Eckental | 11/04 09:35 | 26 | [206] Ramkumar Ramanathan v Hiroki Moriya [246] | 7-6,6-4 | |
| Challenger - Eckental | 11/02 12:10 | 25 | [205] Ramkumar Ramanathan v Duje Ajdukovic [388] | 6-4,6-2 | |
| Challenger - Marbella | 10/27 11:35 | 25 | [155] Carlos Taberner v Ramkumar Ramanathan [207] | 3-6,7-5,7-6 | |
| Challenger - Ismaning | 10/21 14:35 | 26 | [174] Botic Van De Zandschulp v Ramkumar Ramanathan [207] | 6-2,6-2 | |
| Challenger - Ismaning | 10/19 15:10 | 25 | [207] Ramkumar Ramanathan v Quentin Halys [209] | 7-6,6-3 | |
| Challenger Alicante | 10/13 09:45 | 25 | [207] Ramkumar Ramanathan v Carlos Alcaraz [158] | 6-7,6-7 | |
| Challenger - Barcelona | 10/06 09:45 | 25 | [163] Kimmer Coppejans v Ramkumar Ramanathan [199] | 6-2,7-5 | |
| Challenger - Biella | 09/29 08:00 | 25 | [199] Ramkumar Ramanathan v Christopher O'Connell [112] | 4-6,2-6 | |
| French Open | 09/21 15:05 | 14 | [268] Tristan Lamasine v Ramkumar Ramanathan [197] | 7-5,6-2 | |
| Challenger - Nur-Sultan | 03/11 06:40 | 25 | [400] Jesper De Jong v Ramkumar Ramanathan [185] | 6-2,6-2 | |
| Cupa Davis | 03/07 18:15 | 45 | Borna Gojo v Ramkumar Ramanathan | Cancelled | |
| Cupa Davis | 03/06 16:25 | 45 | [37] Marin Čilić v Ramkumar Ramanathan [182] | 7-6,7-6 | |
| Challenger - Columbus | 02/26 16:25 | 25 | [208] Zhe Li v Ramkumar Ramanathan [180] | 7-6,7-6 | |
| Challenger - Morelos | 02/19 21:30 | 25 | [297] Guilherme Clezar v Ramkumar Ramanathan [179] | 7-6,4-6,6-4 | |
| Challenger - Bengaluru | 02/13 07:55 | 26 | [180] Ramkumar Ramanathan v Ilya Ivashka [148] | 6-7,1-6 | |
| Challenger - Bengaluru | 02/12 09:35 | 25 | Ramkumar Ramanathan v Abhinav Sanjeev Shanmugam | 6-1,6-3 | |
| ATP - Pune | 02/03 15:25 | 25 | [98] Salvatore Caruso v Ramkumar Ramanathan [182] | 3-6,6-4,7-5 | |
| Challenger - Bangkok 2 | 01/24 05:20 | 27 | [161] Robin Haase v Ramkumar Ramanathan [185] | 7-6,6-2 | |
| Challenger - Bangkok 2 | 01/23 08:25 | 26 | [185] Ramkumar Ramanathan v Go Soeda [111] | 7-5,7-5 | |
| Challenger - Bangkok 2 | 01/21 06:15 | 25 | [185] Ramkumar Ramanathan v JC Aragone [262] | Retired | |
| Australian Open | 01/14 05:35 | 44 | [118] Federico Coria v Ramkumar Ramanathan [185] | 4-6,6-4,6-1 | |
| Challenger - Canberra | 01/06 04:15 | 24 | [121] Emil Ruusuvuori v Ramkumar Ramanathan [183] | 3-6,6-2,6-3 | |
| Australian Open - Wild Card | 12/05 03:15 | 26 | [175] Ramkumar Ramanathan v Ze Zhang [359] | 3-6,0-6 | |
| Cupa Davis | 11/30 08:40 | - | Huzaifa Abdul Rehman v Ramkumar Ramanathan | Cancelled | |
| Cupa Davis | 11/29 07:45 | - | Muhammad Shoaib v Ramkumar Ramanathan | 0-6,0-6 |
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.