Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M15 New Delhi | 2021/04/01 06:00 | Aidan Mchugh v Nitin Kumar Sinha | 5-7,7-6,7-6 |
| ITF M15 New Delhi | 2021/03/31 04:00 | Nitin Kumar Sinha v Abhinav Sanjeev Shanmugam | 6-2,6-0 |
| ITF M15 New Delhi | 2021/03/30 04:00 | Nitin Kumar Sinha v Henry Patten | 1-6,4-6 |
| ITF M15 New Delhi | 2021/03/28 14:00 | Nitin Kumar Sinha v Digvijay Pratap Singh | 4-6,6-3,10-7 |
| 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 M25 Kottingbrunn | 2021/07/18 07:30 | Petros Tsitsipas v Stephanos Schinas | 6-3,6-2 |
| ITF M25 Uriage | 2021/07/11 11:05 | Gabriele Datei v Stephanos Schinas | 6-4,6-3 |
| ITF M15 Heraklion | 2021/06/07 06:30 | Rishab Agarwal v Stephanos Schinas | 6-3,6-3 |
| ITF M15 Heraklion | 2021/05/30 06:30 | Ugo Blanchet v Stephanos Schinas | 6-1,6-2 |
| ITF M15 Heraklion | 2021/05/23 10:00 | Aristotelis Thanos v Stephanos Schinas | 5-7,6-1,10-7 |
| ITF M15 Heraklion | 2021/05/17 07:00 | Stephanos Schinas v Leonardo Taddia | 2-6,4-6 |
| ITF M15 Cairo | 2021/04/18 07:00 | Lukas Krainer v Stephanos Schinas | 6-1,6-1 |
| ITF M15 Cairo | 2021/04/11 08:00 | Edoardo Zanada v Stephanos Schinas | 6-4,6-1 |