Stadium: Court 5 Round: 62 Ground: Hardcourt outdoor
| ITF M15 New Delhi | 2021/03/31 04:00 | Nitin Kumar Sinha v Abhinav Sanjeev Shanmugam | 6-2,6-0 |
| ITF M15 Pune | 2021/03/24 04:00 | Zane Khan v Abhinav Sanjeev Shanmugam | 6-2,6-0 |
| ITF M15 Sharm El Sheikh | 2021/02/15 09:30 | Francesco Vilardo v Abhinav Sanjeev Shanmugam | 6-1,7-6 |
| ITF M15 Sharm El Sheikh | 2021/02/14 13:00 | Abhinav Sanjeev Shanmugam v Zakai Stone | 6-1,6-3 |
| ITF M15 Sharm El Sheikh | 2021/02/07 15:30 | Abhinav Sanjeev Shanmugam v Fabian Marozsan | 1-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/02/02 07:30 | Fabian Marozsan v Abhinav Sanjeev Shanmugam | 6-1,7-6 |
| ITF M15 Sharm El Sheikh | 2021/02/01 10:30 | Abhinav Sanjeev Shanmugam v Kristof Minarik | 7-6,6-3 |
| ITF M15 Sharm El Sheikh | 2021/01/31 10:30 | Abhinav Sanjeev Shanmugam v Zsombor Velcz | 6-4,6-2 |
| ITF M15 Monastir | 2021/08/30 10:00 | Kyle Seelig v Bryan Aguiar Kuntz | 6-0,6-4 |
| ITF M15 Monastir | 2021/08/29 08:00 | Tushar Sharma v Bryan Aguiar Kuntz | 0-6,1-6 |
| ITF M15 Monastir | 2021/08/22 07:30 | Keisuke Saitoh v Bryan Aguiar Kuntz | 6-4,6-4 |
| ITF M15 Monastir | 2021/08/15 08:30 | Bryan Aguiar Kuntz v Ishaan Ravichander | 2-6,1-6 |