Stadium: Court 7 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Pune | 2021/03/21 09:15 | Nitin Kumar Sinha v Ishaque Eqbal | 6-7,6-7 |
| ITF M15 Indore | 2021/03/09 04:00 | Nitin Kumar Sinha v Oliver Crawford | 6-4,2-6,1-6 |
| ITF M15 Lucknow | 2021/03/03 07:40 | Aidan Mchugh v Nitin Kumar Sinha | 6-3,2-6,6-2 |
| ITF M15 Lucknow | 2021/03/01 04:00 | Nitin Kumar Sinha v Atharva Sharma | 6-2,6-1 |
| ITF M15 Lucknow | 2021/02/28 04:00 | Nitin Kumar Sinha v Arjun Mahadevan | 6-3,6-1 |
| ITF M15 Sharm El Sheikh | 2021/02/22 13:00 | Andres Gabriel Ciurletti v Nitin Kumar Sinha | 6-1,0-6,12-10 |
| ITF M15 Sharm El Sheikh | 2021/02/21 15:30 | Cristian Campese v Nitin Kumar Sinha | 3-6,0-6 |
| ITF M15 Sharm El Sheikh | 2021/02/14 16:00 | Karlo Cubelic v Nitin Kumar Sinha | 6-4,6-3 |
| ITF M15 New Delhi | 2021/03/28 07:30 | Digvijay Pratap Singh v Theertha Shashank Macherla | 6-4,6-2 |
| ITF M15 Pune | 2021/03/22 07:15 | Omni Kumar v Digvijay Pratap Singh | 7-6,7-5 |
| ITF M15 Pune | 2021/03/21 04:30 | Tushar Madan v Digvijay Pratap Singh | 4-6,3-6 |
| ITF M15 Indore | 2021/03/08 08:30 | Digvijay Pratap Singh v Siddharth Vishwakarma | 1-6,4-6 |
| ITF M15 Indore | 2021/03/08 05:30 | Digvijay Pratap Singh v Vidit Vaghela | 6-4,6-3 |
| ITF M15 Indore | 2021/03/07 03:30 | Jatin Dahiya v Digvijay Pratap Singh | 1-6,4-6 |
| ITF M15 Lucknow | 2021/03/04 04:00 | Digvijay Pratap Singh v Jonathan Mridha | 1-6,3-6 |
| ITF M15 Lucknow | 2021/03/02 06:30 | Dev Javia v Digvijay Pratap Singh | 3-6,2-6 |