| Challenger - Pune | 11/16 11:50 | 27 | [150] Ramkumar Ramanathan v Nikola Milojevic [161] | 6-1,7-5 | |
| Challenger - Pune | 11/15 11:45 | 26 | [150] Ramkumar Ramanathan v Brydan Klein [292] | 7-6,6-3 | |
| Challenger - Pune | 11/14 11:10 | 25 | [150] Ramkumar Ramanathan v Marc Polmans [322] | 6-7,7-6,7-6 | |
| ATP Antwerp Qual | 10/15 11:50 | 26 | [148] Ramkumar Ramanathan v Sebastian Ofner [141] | 5-7,4-6 | |
| 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 | |
| Davis Cup | 09/17 18:50 | 26 | [51] Denis Shapovalov v Ramkumar Ramanathan [154] | 6-3,7-6,6-3 | |
| Davis Cup | 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 |
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.