| Challenger Nanchang | 04/19 03:00 | 26 | [116] Ramkumar Ramanathan v Vaclav Safranek [257] | 7-5,6-1 | |
| Challenger Nanchang | 04/18 05:45 | 25 | [116] Ramkumar Ramanathan v Yibing Wu [337] | 4-6,6-2,6-3 | |
| Challenger - Taipei | 04/15 07:55 | 29 | [105] Yuki Bhambri v Ramkumar Ramanathan [133] | 6-3,6-4 | |
| Challenger - Taipei | 04/14 05:00 | 28 | [133] Ramkumar Ramanathan v Go Soeda [153] | 7-6,6-4 | |
| Challenger - Taipei | 04/13 07:50 | 27 | [133] Ramkumar Ramanathan v Dudi Sela [98] | 6-4,6-2 | |
| Challenger - Taipei | 04/12 07:15 | 26 | [133] Ramkumar Ramanathan v Lloyd Harris [242] | 7-6,6-7,7-6 | |
| Challenger - Taipei | 04/10 04:00 | 25 | Ramkumar Ramanathan v Thomas Fancutt | 7-6,6-7,6-2 | |
| Davis Cup | 04/07 04:45 | 28 | [248] Di Wu v Ramkumar Ramanathan [132] | 6-7,3-6 | |
| Davis Cup | 04/07 04:45 | 28 | Ze Zhang v Ramkumar Ramanathan | Cancelled | |
| Davis Cup | 04/06 02:00 | 28 | [332] Yibing Wu v Ramkumar Ramanathan [132] | 7-6,6-4 | |
| Challenger - Marbella | 03/29 11:40 | 27 | [136] Ramkumar Ramanathan v Marco Cecchinato [97] | 1-6,4-6 | |
| Challenger - Marbella | 03/28 11:00 | 26 | [218] Sumit Nagal v Ramkumar Ramanathan [136] | 2-6,3-6 | |
| Challenger - Marbella | 03/27 12:25 | 25 | [136] Ramkumar Ramanathan v Alessandro Giannessi [161] | 6-4,3-6,6-3 | |
| ATP Miami Qual | 03/19 14:00 | 44 | [176] Michael Mmoh v Ramkumar Ramanathan [136] | 7-6,6-4 | |
| ATP Indian Wells Qual | 03/07 20:30 | 45 | Yuki Bhambri v Ramkumar Ramanathan | 6-4,6-2 | |
| ATP Indian Wells Qual | 03/07 01:15 | 44 | Michael Mmoh v Ramkumar Ramanathan | 3-6,5-7 | |
| ATP Acapulco Qual | 02/24 22:00 | 26 | Kevin King v Ramkumar Ramanathan | 6-3,6-0 | |
| ATP - Delray Beach | 02/19 20:55 | 25 | Ramkumar Ramanathan v Donald Young | 1-6,2-6 | |
| ATP Delray Beach Qual | 02/18 17:50 | - | Bjorn Fratangelo v Ramkumar Ramanathan | 3-6,3-6 | |
| ATP Delray Beach Qual | 02/17 18:50 | 26 | Stefan Kozlov v Ramkumar Ramanathan | 3-6,2-6 | |
| ATP New York Qual | 02/11 18:30 | 26 | Ramkumar Ramanathan v Ernesto Escobedo | 5-7,3-6 | |
| Australian Open Qual | 01/14 02:45 | 46 | Vasek Pospisil v Ramkumar Ramanathan | 6-4,4-6,6-4 | |
| Australian Open Qual | 01/13 07:50 | 45 | Gleb Sakharov v Ramkumar Ramanathan | 4-6,6-7 | |
| Australian Open Qual | 01/10 02:35 | 44 | Bradley Klahn v Ramkumar Ramanathan | 7-6,6-7,2-6 | |
| ATP - Pune | 01/03 13:55 | 26 | Marin Cilic v Ramkumar Ramanathan | 6-4,6-3 | |
| ATP - Pune | 01/01 15:15 | 25 | Ramkumar Ramanathan v Roberto Carballes Baena | 7-6,6-2 | |
| Challenger Bangalore | 11/22 09:55 | 26 | [139] Ramkumar Ramanathan v Jay Clarke [279] | 7-6,2-6,4-6 | |
| Challenger Bangalore | 11/21 13:40 | 25 | [139] Ramkumar Ramanathan v Hugo Grenier [412] | 4-6,6-4,6-3 | |
| Challenger - Pune | 11/18 11:10 | 29 | [150] Ramkumar Ramanathan v Yuki Bhambri [137] | 6-4,3-6,4-6 | |
| Challenger - Pune | 11/17 10:30 | 28 | Saketh Myneni v Ramkumar Ramanathan | 3-6,2-6 |
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.