| ITF - M25 Mumbai | 11/26 05:00 | 29 | Siddharth Vishwakarma v Ramkumar Ramanathan | 0-6,4-6 | |
| ITF - M25 Mumbai | 11/25 05:00 | 28 | [177] Ramkumar Ramanathan v Louis Wessels [360] | 7-6,6-3 | |
| ITF - M25 Mumbai | 11/24 04:30 | 27 | [363] Ryuki Matsuda v Ramkumar Ramanathan [177] | 6-7,6-3,5-7 | |
| ITF - M25 Mumbai | 11/23 04:30 | 26 | Dev Javia v Ramkumar Ramanathan | 3-6,4-6 | |
| ITF - M25 Mumbai | 11/22 06:40 | 25 | Madhwin Kamath v Ramkumar Ramanathan | 4-6,2-6 | |
| ITF - M15 Davangere | 10/28 05:55 | 28 | [184] Ramkumar Ramanathan v Bogdan Bobrov [469] | 4-6,6-7 | |
| ITF - M15 Davangere | 10/27 06:10 | 27 | Ramkumar Ramanathan v Madhwin Kamath | 6-2,6-1 | |
| ITF - M15 Davangere | 10/26 04:30 | 26 | Rishab Agarwal v Ramkumar Ramanathan | 0-6,3-6 | |
| ITF - M15 Davangere | 10/25 08:40 | 25 | Ramkumar Ramanathan v Ishaque Eqbal | 6-7,7-5,6-3 | |
| ITF - M25 Dharwad | 10/22 04:30 | 29 | Ramkumar Ramanathan v Digvijay Pratap Singh | 7-6,7-6 | |
| ITF - M25 Dharwad | 10/21 04:30 | 28 | [431] Nick Chappell v Ramkumar Ramanathan [183] | 6-3,3-6,6-7 | |
| ITF - M25 Dharwad | 10/20 06:55 | 27 | [183] Ramkumar Ramanathan v S D Prajwal Dev [367] | 6-4,4-6,6-1 | |
| ITF - M25 Dharwad | 10/19 06:00 | 26 | Ramkumar Ramanathan v Ishaque Eqbal | 7-6,6-3 | |
| ITF - M25 Dharwad | 10/18 08:50 | 25 | Ramkumar Ramanathan v Faisal Qamar | 7-6,6-2 | |
| Challenger - Cassis | 09/05 12:20 | 25 | [182] Mattia Bellucci v Ramkumar Ramanathan [195] | 6-2,6-4 | |
| Challenger - Cassis | 09/04 09:55 | 19 | [388] Karl Friberg v Ramkumar Ramanathan [195] | 3-6,0-6 | |
| Challenger - Cassis | 09/03 12:10 | 14 | Maxence Beauge v Ramkumar Ramanathan | 4-6,6-7 | |
| Challenger - Augsburg | 08/20 14:00 | 14 | [196] Ramkumar Ramanathan v David Pichler [265] | Cancelled | |
| Challenger - Todi | 08/13 15:00 | 14 | [335] Mathys Erhard v Ramkumar Ramanathan [213] | 6-4,6-2 | |
| Challenger - Cary | 08/06 20:40 | 14 | [472] Tyler Zink v Ramkumar Ramanathan [213] | 5-7,6-1,6-2 | |
| Challenger - Lexington | 07/30 15:05 | 14 | Justin Roberts v Ramkumar Ramanathan | 7-6,7-6 | |
| ATP - Newport | 07/16 18:25 | 14 | [182] Ramkumar Ramanathan v Alex Bolt [345] | 3-6,3-6 | |
| Challenger - Braunschweig | 07/09 13:00 | 14 | [90] Hendrik Jebens v Ramkumar Ramanathan [182] | 6-1,6-4 | |
| ITF - M25 Martos | 06/14 15:00 | 25 | Pedro Vives Marcos v Ramkumar Ramanathan | 6-4,7-6 | |
| Challenger - Heilbronn | 06/04 12:55 | 14 | [458] Ramkumar Ramanathan v Maxime Janvier [343] | 3-6,3-6 | |
| Challenger - Troisdorf | 05/28 08:30 | 14 | [304] Oriol Roca Batalla v Ramkumar Ramanathan [458] | 6-2,6-2 | |
| Challenger - Skopje | 05/21 10:40 | 14 | [256] Sumit Nagal v Ramkumar Ramanathan [449] | 6-3,6-3 | |
| ITF - M25 Jakarta | 04/25 06:05 | 25 | [405] Ramkumar Ramanathan v Ray Ho [251] | 0-6,2-6 | |
| ITF - M25 Jakarta | 04/19 04:50 | 25 | Yuta Kawahashi v Ramkumar Ramanathan | Retired | |
| ITF - M25 Jakarta | 04/12 02:40 | 25 | Ramkumar Ramanathan v Yunseok Jang | 1-6,4-6 |
Wikipedia - Ramkumar Ramanathan
Ramkumar Ramanathan (n. 8 noiembrie 1994) este un jucător profesionist de tenis indian. Este primul jucător indian care a ajuns într-o finală de simplu ATP în turneul mondial de la Somdev Devvarman. Cea mai înaltă poziție în clasamentul ATP la simplu este numărul 111 (30 iulie 2018) iar la dublu numărul 101 (2 martie 2020) și reprezintă India în Cupa Davis.