Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Sharm El Sheikh | 2021/01/31 10:30 | Abhinav Sanjeev Shanmugam v Zsombor Velcz | 6-4,6-2 |
| ITF M15 New Delhi | 2021/11/18 04:00 | Valentin Vacherot v Zsombor Velcz | 6-3,6-2 |
| ITF M15 New Delhi | 2021/11/17 04:00 | Zsombor Velcz v Siddharth Vishwakarma | 6-4,6-4 |
| ITF M15 Heraklion | 2021/11/10 10:00 | Zsombor Velcz v Alec Deckers | 6-3,0-6,4-6 |
| ITF M15 Heraklion | 2021/11/09 07:00 | Zsombor Velcz v Preston Brown | 2-6,6-3,10-4 |
| ITF M15 Heraklion | 2021/11/08 09:00 | Zsombor Velcz v Ioannis Kountourakis | 7-5,6-0 |
| ITF M15 Heraklion | 2021/11/03 07:00 | Gorazd Srbljak v Zsombor Velcz | 6-4,6-4 |
| ITF M15 Doha | 2021/10/13 12:30 | Zsombor Velcz v Tom Kocevar-Desman | 2-6,1-6 |
| ITF M25 Budapest | 2021/09/28 07:30 | Zsombor Velcz v Attila Dominik Boros | 7-5,6-7,4-6 |
| ITF M15 New Delhi | 2021/11/19 04:30 | Valentin Vacherot v Abhinav Sanjeev Shanmugam | 6-1,6-3 |
| ITF M15 New Delhi | 2021/11/18 05:35 | S D Prajwal Dev v Abhinav Sanjeev Shanmugam | 3-6,6-3,4-6 |
| ITF M15 New Delhi | 2021/11/16 06:05 | Aryan Goveas v Abhinav Sanjeev Shanmugam | 6-3,2-6,5-7 |
| ITF M15 Indore | 2021/11/11 05:55 | Nicolas Tepmahc v Abhinav Sanjeev Shanmugam | 6-4,6-4 |
| ITF M15 Indore | 2021/11/09 05:30 | Raghav Jaisinghani v Abhinav Sanjeev Shanmugam | 2-6,2-6 |
| ITF M15 Monastir | 2021/10/12 08:30 | Mateo Nicolas Martinez v Abhinav Sanjeev Shanmugam | 7-6,6-1 |
| ITF M15 Monastir | 2021/10/04 08:00 | Abhinav Sanjeev Shanmugam v Martin Katz | 3-6,3-6 |
| ITF M15 Monastir | 2021/09/29 11:30 | Christoph Negritu v Abhinav Sanjeev Shanmugam | 6-3,2-6,6-4 |