Ramkumar Ramanathan defeated M. Kamath 6-2 6-4 in the M25 Chennai 1 round of 32 on hard. The result followed the form book — Ramkumar Ramanathan came in ranked #1359, leading the head-to-head 2–0. Ramkumar Ramanathan extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-11-22 | M25 Mumbai 1 | R32 | hard | Ramkumar Ramanathan | 6-4 6-2 |
| 2023-10-27 | M15 Davangere 1 | QF | hard | Ramkumar Ramanathan | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.