ATP Tennis - Ramkumar Ramanathan
- Tournament: N/A
- Round: N/A
- Opponent: N/A
- DOB: 1994-11-08
- Birthplace: India, India
- Height: 74.0 cm
- Weight: 169.0 kg
- Plays: R
- Current World Rank: 198
- Hard: 7-18
- Clay: 0-0
- Grass: 7-3
| Tournament | Date | Sets | Round | Winner | Loser |
|---|---|---|---|---|---|
| Qatar Open | Mar 8, 2021 | 6-4, 6-2 | First Round | Alexander Bublik | Ramkumar Ramanathan |
| Singapore Tennis Open | Feb 21, 2021 | 6-3, 6-7 (3-7), 6-3 | First Round | Taro Daniel | Ramkumar Ramanathan |
| Maharashtra Open | Feb 3, 2020 | 3-6, 6-4, 7-5 | First Round | Salvatore Caruso | Ramkumar Ramanathan |
| Hall of Fame Tennis Championships | Jul 17, 2019 | 7-6 (7-5), 6-0 | Second Round | Ugo Humbert | Ramkumar Ramanathan |
| Hall of Fame Tennis Championships | Jul 16, 2019 | 5-7, 7-6 (8-6), 6-2 | First Round | Ramkumar Ramanathan | Sergiy Stakhovsky |
| Dubai Tennis Championships | Feb 25, 2019 | 6-4, 6-3 | First Round | Roberto Bautista Agut | Ramkumar Ramanathan |
| New York Open | Feb 12, 2019 | 6-3, 3-6, 6-1 | First Round | Jason Jung | Ramkumar Ramanathan |
| Maharashtra Open | Jan 2, 2019 | 6-7 (6-7), 7-6 (7-5), 6-3 | Second Round | Malek Jaziri | Ramkumar Ramanathan |
| Maharashtra Open | Jan 1, 2019 | 4-6, 6-4, 6-3 | First Round | Ramkumar Ramanathan | Marcel Granollers |
| Shenzhen Open | Sep 27, 2018 | 6-4, 6-2 | Second Round | Damir Dzumhur | Ramkumar Ramanathan |
