| Challenger - Fairfield | 10/09 22:00 | 25 | [148] Ramkumar Ramanathan v Tobias Kamke [203] | 4-6,6-4,4-6 | |
| Challenger Stockton | 10/03 17:00 | 25 | [251] Christian Harrison v Ramkumar Ramanathan [149] | 6-1,6-2 | |
| Challenger - Tiburon | 09/26 20:05 | 25 | [150] Ramkumar Ramanathan v Jan Choinski [325] | 1-6,2-6 | |
| Challenger - Columbus | 09/21 17:20 | 26 | [267] Filip Peliwo v Ramkumar Ramanathan [153] | 6-2,6-1 | |
| Challenger - Columbus | 09/20 15:00 | 25 | [379] Sekou Bangoura v Ramkumar Ramanathan [153] | 6-7,4-6 | |
| Cupa Davis | 09/17 18:50 | 26 | [51] Denis Shapovalov v Ramkumar Ramanathan [154] | 6-3,7-6,6-3 | |
| Cupa Davis | 09/15 21:00 | 26 | [202] Brayden Schnur v Ramkumar Ramanathan [154] | 7-5,6-7,5-7,5-7 | |
| US Open Qual | 08/24 18:35 | 45 | [113] Nicolas Mahut v Ramkumar Ramanathan [156] | 6-3,6-7,6-2 | |
| US Open Qual | 08/23 17:05 | 44 | [156] Ramkumar Ramanathan v Paul-Henri Mathieu [213] | 6-4,6-4 | |
| ATP - Cincinnati | 08/16 19:25 | 25 | [180] Ramkumar Ramanathan v Jared Donaldson [60] | 4-6,6-2,4-6 | |
| ATP - Cincinnati | 08/15 01:20 | 24 | [374] Christopher Eubanks v Ramkumar Ramanathan [180] | 7-6,1-6,4-6 | |
| ATP Cincinnati Qual | 08/13 17:00 | 46 | [179] Ramkumar Ramanathan v Maximilian Marterer [122] | 6-7,6-7 | |
| ATP Cincinnati Qual | 08/12 18:05 | 45 | [68] Dusan Lajovic v Ramkumar Ramanathan [179] | 6-7,4-6 | |
| Challenger Aptos | 08/08 18:00 | 25 | [179] Ramkumar Ramanathan v Henri Laaksonen [93] | 3-6,2-6 | |
| ATP - Washington | 08/01 00:35 | 24 | [182] Ramkumar Ramanathan v Guido Pella [100] | 4-6,1-6 | |
| ATP Washington Qual | 07/30 16:25 | 46 | [178] Ramkumar Ramanathan v Marinko Matosevic [401] | 7-5,6-3 | |
| Challenger Binghamton | 07/25 14:00 | 25 | [275] Cameron Norrie v Ramkumar Ramanathan [178] | 7-6,6-2 | |
| ATP Newport Qual | 07/17 16:20 | 46 | [168] Ramkumar Ramanathan v Matthew Ebden [249] | 6-4,1-6,5-7 | |
| ATP Newport Qual | 07/16 19:05 | 45 | [184] Ramkumar Ramanathan v Christopher Eubanks [455] | 6-4,3-6,6-1 | |
| Challenger Winnetka | 07/16 01:45 | 29 | [197] Akira Santillan v Ramkumar Ramanathan [184] | 7-6,6-2 | |
| Challenger Winnetka | 07/15 00:00 | 28 | [184] Ramkumar Ramanathan v Tommy Paul [355] | 4-6,6-3,6-2 | |
| Challenger Winnetka | 07/13 16:00 | 27 | [184] Ramkumar Ramanathan v Dominik Koepfer [354] | 6-4,6-3 | |
| Challenger Winnetka | 07/12 15:30 | 26 | Ramkumar Ramanathan v JC Aragone | 7-5,6-2 | |
| Challenger Winnetka | 07/11 15:00 | 25 | [184] Ramkumar Ramanathan v Bradley Klahn [497] | 3-6,7-6,7-6 | |
| Challenger Recanati | 07/06 15:00 | 26 | [200] Salvatore Caruso v Ramkumar Ramanathan [184] | 6-7,6-3,7-5 | |
| Challenger Recanati | 07/04 10:30 | 25 | [286] Alexander Kudryavtsev v Ramkumar Ramanathan [184] | 6-4,2-6,3-6 | |
| ATP - Antalya | 06/29 07:00 | 27 | [222] Ramkumar Ramanathan v Marcos Baghdatis [79] | 7-6,3-6,6-7 | |
| ATP - Antalya | 06/27 14:30 | 26 | [8] Dominic Thiem v Ramkumar Ramanathan [222] | 3-6,2-6 | |
| ATP - Antalya | 06/26 11:00 | 25 | [68] Rogerio Dutra Silva v Ramkumar Ramanathan [222] | 3-6,4-6 | |
| ATP Antalya Qual | 06/25 10:10 | 46 | [221] Ramkumar Ramanathan v Yannick Mertens [267] | 6-3,6-4 |
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.