Stadion: TSITSIPAS COURT Round: 25 Ground: Hardcourt outdoor
| 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 Boros | 7-5,6-7,4-6 |
| ITF - M15 - Zlatibor | 2021/09/17 10:55 | Yan Bondarevskiy v Zsombor Velcz | 6-4,6-1 |
| ITF - M15 - Zlatibor | 2021/09/16 11:30 | Zsombor Velcz v Sebastian Gima | 6-3,6-4 |
| ITF - M15 - Zlatibor | 2021/09/15 09:30 | Zsombor Velcz v Savva Polukhin | 6-4,6-4 |
| ITF - M15 - Heraklion | 2021/11/09 07:00 | Alec Deckers v Stephanos Schinas | 6-0,7-5 |
| ITF - M15 - Heraklion | 2021/11/08 08:00 | Alec Deckers v Gosse Panagoulopoulos | 6-1,6-3 |
| ITF - M15 - Heraklion | 2021/11/07 07:00 | Alec Deckers v Ioannis Papounidis | 6-3,7-5 |
| ITF - M15 - Doha | 2021/10/20 14:15 | Niklas Schell v Alec Deckers | 6-4,6-2 |
| ITF - M15 - Doha | 2021/10/17 13:30 | Alec Deckers v Valentin Vacherot | 6-4,3-6,6-3 |
| ITF - M15 - Doha | 2021/10/16 13:00 | Alec Deckers v Oscar Moraing | 7-5,6-3 |
| ITF - M15 - Doha | 2021/10/15 13:00 | Daniel Cox v Alec Deckers | 4-6,6-3,6-7 |
| ITF - M15 - Doha | 2021/10/14 12:30 | Alec Deckers v Beibit Zhukayev | 7-6,6-4 |