Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 Zilina | 2021/09/03 09:45 | Zsombor Velcz v Adria Soriano Barrera | 3-6,4-6 |
| ITF M15 Zilina | 2021/09/02 07:55 | Zsombor Velcz v Peter Nad | 7-6,6-2 |
| ITF M15 Zilina | 2021/09/01 14:45 | Mathieu Perchicot v Zsombor Velcz | 4-6,3-6 |
| ITF M15 Bratislava | 2021/08/18 08:00 | Bastian Malla v Zsombor Velcz | 6-2,6-2 |
| ITF M15 Bratislava | 2021/08/17 08:00 | Zsombor Velcz v Lukas H Lilleengen | 7-5,6-2 |
| ITF M15 Bratislava | 2021/08/16 08:00 | Zsombor Velcz v Matej Galik | 6-0,6-2 |
| ITF M15 Telavi | 2021/08/03 09:00 | Mikhail Fufygin v Zsombor Velcz | 6-4,7-6 |
| ITF M15 Doboj | 2021/07/13 12:30 | Zsombor Velcz v Martin Krumich | 6-3,4-6,6-7 |
| ITF M25 Santander | 2021/08/24 10:55 | Andrey Chepelev v Savva Polukhin | 4-6,7-6,6-0 |
| ITF M25 Santander | 2021/08/23 16:00 | Savva Polukhin v George Davies | 6-0,6-1 |
| ITF M25 Santander | 2021/08/22 11:30 | Savva Polukhin v Inaki Cabrera Bello | 6-2,6-4 |
| ITF M15 Antalya | 2021/06/20 10:55 | Gonzalo Lama v Savva Polukhin | 6-2,6-3 |
| ITF M15 Antalya | 2021/06/19 07:25 | Savva Polukhin v Francisco Llanes | 1-6,6-2,6-2 |
| ITF M15 Antalya | 2021/06/18 07:25 | Savva Polukhin v Francisco Comesana | 2-6,6-2,6-4 |
| ITF M15 Antalya | 2021/06/17 10:35 | Savva Polukhin v Fermin Tenti | 3-6,6-3,6-3 |
| ITF M15 Antalya | 2021/06/16 15:25 | Mathieu Perchicot v Savva Polukhin | 1-6,6-3,3-6 |