Stadium: Court 1 Round: 26 Ground: Clay
| 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 M15 Antalya | 2021/06/28 06:30 | Velcz, Zsombor v Scott, Fletcher | 5-7,1-6 |
| ITF M15 Antalya | 2021/06/23 10:15 | 팔로시, 스테판 v Velcz, Zsombor | 6-3,7-6 |
| ITF M15 Zilina | 2021/08/31 09:30 | Novak, Jakub v Peter Nad | 4-6,7-6,3-10 |
| ITF M15 Zilina | 2021/08/30 13:00 | Groener, Eirik v Peter Nad | 3-6,6-7 |
| ITF M15 Bratislava | 2021/08/25 13:05 | 슬블리아크, 고라즈드 v Peter Nad | 6-2,6-1 |
| ITF M15 Poprad | 2021/07/05 08:00 | Peter Nad v 스큐에즈, 카스팔 | 6-3,6-4 |
| ITF M15 Poprad | 2021/07/04 11:00 | Edouard Villoslada v Peter Nad | 2-6,2-6 |
| ITF M15 Antalya | 2021/03/28 06:30 | Peter Nad v 말지아리타, 마우루스 | 4-6,2-6 |
| ITF M15 Bratislava | 2021/03/08 09:00 | Peter Nad v 후브넬, 에드왈드 | 4-6,7-6,9-11 |
| ITF M15 Bratislava | 2021/03/03 11:35 | 자쿠에트, 키리안 v Peter Nad | 6-3,6-2 |