Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 Zilina | 2021/09/03 09:45 | Velcz, Zsombor v Soriano Barrera, Adria | 3-6,4-6 |
| ITF M15 Zilina | 2021/09/02 07:55 | Velcz, Zsombor v Peter Nad | 7-6,6-2 |
| ITF M15 Zilina | 2021/09/01 14:45 | 페르치코트, 마튜 v Velcz, Zsombor | 4-6,3-6 |
| ITF M15 Bratislava | 2021/08/18 08:00 | 말라, 바스티안 v Velcz, Zsombor | 6-2,6-2 |
| ITF M15 Bratislava | 2021/08/17 08:00 | Velcz, Zsombor v 헬럼 릴린겐, 루카스 | 7-5,6-2 |
| ITF M15 Bratislava | 2021/08/16 08:00 | Velcz, Zsombor v Galik, Matej | 6-0,6-2 |
| ITF M15 Telavi | 2021/08/03 09:00 | 푸피긴, 미카일 v Velcz, Zsombor | 6-4,7-6 |
| ITF M15 Doboj | 2021/07/13 12:30 | Velcz, Zsombor v Krumich, Martin | 6-3,4-6,6-7 |
| ITF M25 Santander | 2021/08/24 10:55 | 체펠레브, 안드레이 v Polukhin, Savva | 4-6,7-6,6-0 |
| ITF M25 Santander | 2021/08/23 16:00 | Polukhin, Savva v 다비에스, 게오르지 | 6-0,6-1 |
| ITF M25 Santander | 2021/08/22 11:30 | Polukhin, Savva v Cabrera Bello, Inaki | 6-2,6-4 |
| ITF M15 Antalya | 2021/06/20 10:55 | Lama, Gonzalo v Polukhin, Savva | 6-2,6-3 |
| ITF M15 Antalya | 2021/06/19 07:25 | Polukhin, Savva v Llanes, Francisco | 1-6,6-2,6-2 |
| ITF M15 Antalya | 2021/06/18 07:25 | Polukhin, Savva v 코메사나, 프란시스코 | 2-6,6-2,6-4 |
| ITF M15 Antalya | 2021/06/17 10:35 | Polukhin, Savva v 텐티, 페르민 | 3-6,6-3,6-3 |
| ITF M15 Antalya | 2021/06/16 15:25 | 페르치코트, 마튜 v Polukhin, Savva | 1-6,6-3,3-6 |