Stadium: Court 4 Round: 26 Ground: Clay
| ITF M15 Zlatibor | 2021/09/15 09:30 | Velcz, Zsombor v Savva Polukhin | 6-4,6-4 |
| ITF M15 Zilina | 2021/09/03 09:45 | Velcz, Zsombor v Adria Soriano Barrera | 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 | Perchicot, Mathieu v Velcz, Zsombor | 4-6,3-6 |
| ITF M15 Bratislava | 2021/08/18 08:00 | Malla, Bastian v Velcz, Zsombor | 6-2,6-2 |
| ITF M15 Bratislava | 2021/08/17 08:00 | Velcz, Zsombor v Lukas H Lilleengen | 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 | Fufygin, Mikhail v Velcz, Zsombor | 6-4,7-6 |
| ITF M15 Zlatibor | 2021/09/15 11:35 | Sebastian Gima v Peter Fajta | 6-4,2-6,6-4 |
| ITF M25 Poznan | 2021/08/26 09:00 | Sebastian Gima v Alejo Lorenzo Lingua Lavallen | 3-6,2-6 |
| ITF M25 Poznan | 2021/08/25 12:55 | Wilson Leite v Sebastian Gima | 4-6,6-3,3-6 |
| ITF M25 Bacau | 2021/08/19 13:20 | Sebastian Gima v Yshai Oliel | 1-6,6-2,2-6 |
| ITF M15 Curtea de Arges | 2021/08/12 08:25 | Madaras, Dragos Nicolae v Sebastian Gima | 6-2,2-6,7-5 |
| ITF M15 Curtea de Arges | 2021/08/10 15:10 | Sebastian Gima v Mark Lajal | 6-1,6-3 |
| ITF M25 Pitesti | 2021/08/06 09:05 | Nicholas David Ionel v Sebastian Gima | 7-5,6-3 |
| ITF M25 Pitesti | 2021/08/05 12:20 | Sebastian Gima v Frunza, Nicolae | 6-4,5-7,6-1 |