Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/08/22 09:00 | Ren Nakamura v Dheeraj Kodancha Srinivasan | 6-4,7-5 |
| ITF M15 Monastir | 2021/08/15 11:00 | Matthew Dellavedova v Ren Nakamura | 6-1,6-4 |
| ITF M15 Monastir | 2021/08/08 08:30 | Ren Nakamura v Adil Kalyanpur | 1-6,2-6 |
| ITF M15 Monastir | 2021/06/07 12:30 | Ko Suzuki v Ren Nakamura | 6-4,6-1 |
| ITF M15 Monastir | 2021/06/07 08:00 | Lucas Cotler v Ren Nakamura | 2-6,3-6 |
| ITF M15 Monastir | 2021/06/02 10:20 | Julian Gimenez v Ren Nakamura | 7-5,0-6,6-1 |
| ITF M15 Monastir | 2021/05/31 12:30 | Maxence Beauge v Ren Nakamura | 6-2,5-7,11-9 |
| ITF M15 Monastir | 2021/05/31 08:00 | Taketo Takamisawa v Ren Nakamura | 2-6,3-6 |
| ITF M15 Monastir | 2021/08/22 08:30 | Hamza Ben Yaacoub v Rishi Reddy | 0-6,1-6 |
| ITF M15 Monastir | 2021/08/16 08:30 | Mateo Nicolas Martinez v Rishi Reddy | 6-2,6-0 |
| ITF M15 Monastir | 2021/08/15 13:30 | Rishi Reddy v Gabriel Ciro Da Silva | 6-4,6-2 |
| ITF M15 Monastir | 2021/08/08 10:30 | Rishab Agarwal v Rishi Reddy | 4-6,6-4,11-9 |
| ITF M15 New Delhi | 2021/03/28 09:30 | Sahil Gaware v Rishi Reddy | 1-6,0-6 |
| ITF M15 New Delhi | 2021/03/28 04:00 | Yash Yadav v Rishi Reddy | 6-7,1-6 |
| ITF M15 Pune | 2021/03/22 04:30 | Rishi Reddy v Ranjeet Virali-Murugesan | 5-7,6-2,4-10 |
| ITF M15 Pune | 2021/03/21 06:05 | Rishi Reddy v Boopathy Sakthivel | 6-3,6-0 |