| Challenger - Biella | 06/03 11:30 | 26 | [302] Jacopo Berrettini v Ramkumar Ramanathan [216] | 5-7,6-1,6-4 | |
| Challenger - Biella | 06/01 13:30 | 25 | [216] Ramkumar Ramanathan v Blaz Kavcic [217] | 6-1,6-1 | |
| French Open | 05/26 12:00 | 15 | [203] Denis Istomin v Ramkumar Ramanathan [215] | 6-1,6-2 | |
| French Open | 05/25 08:30 | 14 | [215] Ramkumar Ramanathan v Michael Mmoh [169] | 2-6,7-6,6-3 | |
| Challenger - Zagreb | 05/11 10:00 | 25 | [218] Sebastian Baez v Ramkumar Ramanathan [215] | 6-4,6-0 | |
| Challenger - Zagreb | 05/10 08:30 | 19 | [183] Zhizhen Zhang v Ramkumar Ramanathan [215] | 3-6,6-7 | |
| Challenger - Zagreb | 05/09 08:30 | 14 | Frane Nincevic v Ramkumar Ramanathan | 4-6,3-6 | |
| Challenger - Oeiras | 03/30 12:00 | 25 | Ramkumar Ramanathan v Mats Moraing | Cancelled | |
| ATP - Dubai | 03/14 08:30 | 19 | Ramkumar Ramanathan v Yuki Bhambri | 5-7,7-5,2-6 | |
| ATP - Dubai | 03/13 07:00 | 14 | [128] Evgeny Donskoy v Ramkumar Ramanathan [201] | 4-6,4-6 | |
| ATP - Doha | 03/08 12:50 | 25 | [201] Ramkumar Ramanathan v Alexander Bublik [44] | 4-6,2-6 | |
| ATP - Doha | 03/07 12:30 | 19 | [95] Norbert Gombos v Ramkumar Ramanathan [202] | 3-6,1-6 | |
| ATP - Doha | 03/06 09:00 | 64 | [58] Frederik Nielsen v Ramkumar Ramanathan [202] | 4-6,1-6 | |
| Challenger - Nur-Sultan | 03/03 13:05 | 26 | [202] Ramkumar Ramanathan v Frederico Ferreira Silva [179] | 4-6,5-7 | |
| Challenger - Nur-Sultan | 03/01 08:55 | 25 | [202] Ramkumar Ramanathan v Hugo Grenier [253] | 6-4,3-6,6-3 | |
| ATP - Singapore | 02/22 04:00 | 25 | [118] Taro Daniel v Ramkumar Ramanathan [190] | 6-3,6-7,6-3 | |
| Challenger - Antalya | 02/04 08:00 | 26 | [187] Ramkumar Ramanathan v Jaume Munar [103] | 4-6,5-7 | |
| Challenger - Antalya | 02/02 13:05 | 25 | [230] Gian Marco Moroni v Ramkumar Ramanathan [187] | 6-4,4-6,6-7 | |
| Challenger - Antalya | 01/28 13:00 | 26 | [129] Lorenzo Musetti v Ramkumar Ramanathan [190] | 6-0,6-4 | |
| Challenger - Antalya | 01/28 09:30 | 25 | [199] Ernesto Escobedo v Ramkumar Ramanathan [190] | 6-7,3-6 | |
| Challenger - Istanbul | 01/18 07:00 | 19 | [178] Arthur Rinderknech v Ramkumar Ramanathan [188] | 6-3,6-3 | |
| Challenger - Istanbul | 01/17 08:45 | 14 | Koray Kirci v Ramkumar Ramanathan | 3-6,2-6 | |
| Australian Open | 01/12 07:30 | 15 | [188] Ramkumar Ramanathan v Tung-Lin Wu [247] | 3-6,2-6 | |
| Australian Open | 01/10 09:00 | 60 | [125] Facundo Bagnis v Ramkumar Ramanathan [188] | 6-7,5-7 | |
| UTR Pro Tennis Series - Florida | 12/20 14:00 | - | Ramkumar Ramanathan v Cristian C. Rodriguez Sanchez | 6-2,6-0 | |
| UTR Pro Tennis Series - Florida | 12/19 14:00 | - | Ramkumar Ramanathan v Dusty H. Boyer | 6-3,6-4 | |
| UTR Pro Tennis Series - Florida | 12/17 14:00 | - | Ramkumar Ramanathan v Aditya Vashistha | 6-1,6-2 | |
| UTR Pro Tennis Series - Florida | 12/16 14:00 | - | Logan Zapp v Ramkumar Ramanathan | 1-6,2-6 | |
| UTR Pro Tennis Series - Florida | 12/15 15:30 | - | Ramkumar Ramanathan v Gabrielius Guzauskas | 6-3,5-2 | |
| UTR Pro Tennis Series - Florida | 12/14 16:00 | - | Ramkumar Ramanathan v Alexander Bernard | 7-6,3-6,5-1 |
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.