| ITF Qatar F5 | 12/04 23:00 | 25 | Ramkumar Ramanathan v Marek Semjan | 6-4,6-4 | |
| ITF Qatar F4 | 11/30 23:00 | 27 | Ramkumar Ramanathan v Jonny O'Mara | 7-5,2-6,5-7 | |
| ITF Qatar F4 | 11/30 13:35 | 26 | Ramkumar Ramanathan v Marcin Gawron | 6-3,6-2 | |
| ITF Qatar F4 | 11/29 13:30 | 25 | Ramkumar Ramanathan v Mousa Shanan Zayed | 6-0,6-0 | |
| Challenger - Andria | 11/21 17:00 | 25 | Ramkumar Ramanathan v Gianluca Mager | 6-7,6-3,2-6 | |
| Challenger Brescia | 11/16 15:50 | 26 | Ramkumar Ramanathan v Salvatore Caruso | 4-6,5-7 | |
| Challenger Brescia | 11/15 09:00 | 25 | Marko Tepavac v Ramkumar Ramanathan | 5-7,3-6 | |
| Challenger - Ortisei | 11/08 10:30 | 25 | Kevin Krawietz v Ramkumar Ramanathan | 6-4,6-4 | |
| Challenger - Pune | 10/26 05:30 | 26 | Sadio Doumbia v Ramkumar Ramanathan | 6-2,7-5 | |
| Challenger - Pune | 10/25 07:40 | 25 | Alexander Zhurbin v Ramkumar Ramanathan | 2-6,6-3,3-6 | |
| Challenger Ho Chi Minh City | 10/12 06:05 | 25 | Ramkumar Ramanathan v Peter Gojowczyk | 4-6,6-7 | |
| ITF France F21 | 10/08 14:00 | 28 | Ramkumar Ramanathan v Albano Olivetti | 4-6,6-7 | |
| ITF France F21 | 10/07 10:30 | 27 | Ramkumar Ramanathan v Mick Lescure | 6-3,7-6 | |
| ITF France F21 | 10/05 13:30 | 26 | Ramkumar Ramanathan v Romain Bauvy | 7-6,7-6 | |
| ITF France F21 | 10/04 09:30 | 25 | Ramkumar Ramanathan v Lucas Bouquet | 6-1,6-1 | |
| ITF France F19 | 09/21 10:05 | 25 | Ramkumar Ramanathan v Sami Reinwein | 6-7,1-6 | |
| Davis Cup | 09/18 13:50 | - | Ramkumar Ramanathan v David Ferrer | 2-6,2-6 | |
| Davis Cup | 09/16 11:30 | - | Ramkumar Ramanathan v Feliciano Lopez | 4-6,4-6,6-3,1-6 | |
| Challenger - Genua | 09/06 19:15 | 25 | Ramkumar Ramanathan v Denis Istomin | 3-6,4-6 | |
| Challenger - Como | 08/29 12:00 | 25 | Kenny de Schepper v Ramkumar Ramanathan | 6-2,6-2 | |
| US Open Qual | 08/24 16:10 | 44 | Alessandro Giannessi v Ramkumar Ramanathan | 7-5,6-1 | |
| Challenger Aptos | 08/09 20:00 | 25 | Ramkumar Ramanathan v Cameron Norrie | 3-6,6-7 | |
| ITF USA F26 | 08/03 19:00 | 25 | Ramkumar Ramanathan v Dominik Koepfer | 6-3,3-6,4-6 | |
| Davis Cup | 07/17 07:30 | - | Ramkumar Ramanathan v Yong-Kyu Lim | 3-6,7-5,6-7 | |
| Davis Cup | 07/15 04:30 | - | Ramkumar Ramanathan v Seong Chan Hong | Retired | |
| Challenger - Todi | 07/07 14:25 | 26 | Ramkumar Ramanathan v Marco Cecchinato | 6-7,4-6 | |
| Challenger - Todi | 07/06 09:00 | 25 | Enrique Lopez-Perez v Ramkumar Ramanathan | 3-6,4-6 | |
| Challenger - Todi | 07/04 14:55 | 27 | Ramkumar Ramanathan v Benjamin Bonzi | 6-4,6-1 | |
| Challenger - Todi | 07/04 08:00 | 26 | Ramkumar Ramanathan v Sergio Galdos | 6-3,6-7,6-2 | |
| Wimbledon Qual | 06/22 12:55 | 45 | Ramkumar Ramanathan v Daniel Brands | 6-7,6-7 |
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.