Estádio: Court 5 Round: 54 Ground: Clay
| ITF - M15 Doboj | 2021/07/14 08:30 | Gergely Madarasz v Kristof Minarik | 7-6,7-6 |
| ITF - M15 Doboj | 2021/07/13 08:00 | Kristof Minarik v Danilo Raicevic | 6-1,6-3 |
| ITF - M15 Doboj | 2021/07/11 12:30 | Kristof Minarik v Matija Zugic | 6-4,6-2 |
| ITF - M15 Poprad | 2021/07/07 11:35 | Kristof Minarik v Damien Wenger | 0-6,1-6 |
| ITF - M15 Poprad | 2021/07/05 08:00 | Samuel Puskar v Kristof Minarik | 6-3,7-6 |
| ITF - M25 Praga | 2021/05/10 08:00 | Vaclav Safranek v Kristof Minarik | 6-2,6-1 |
| ITF - M25 Praga | 2021/05/09 07:30 | Alexander Wolfschmidt v Kristof Minarik | 3-6,7-6,6-10 |
| ITF - M15 Antália | 2021/04/19 09:00 | Federico Arnaboldi v Kristof Minarik | 6-4,6-2 |
| ITF - M25 Grodzisk Mazowiecki | 2021/08/02 11:05 | Piotr Matuszewski v Simon Sedliak | 2-6,6-4,10-4 |
| ITF - M25 Grodzisk Mazowiecki | 2021/08/01 13:55 | Simon Sedliak v Peter Samosi | 6-2,7-5 |
| ITF - M15 Poprad | 2021/07/04 11:00 | Dominik Palan v Simon Sedliak | 6-3,6-1 |
| ITF - M15 Novomoskovsk | 2021/05/31 06:15 | Aleksandr Braynin v Simon Sedliak | 7-6,6-1 |
| ITF - M15 Novomoskovsk | 2021/05/30 06:15 | Philipp Sikorski v Simon Sedliak | 1-6,6-7 |
| ITF - M15 Monastir | 2021/04/19 11:00 | Filip Bergevi v Simon Sedliak | 6-1,6-2 |
| ITF - M15 Monastir | 2021/04/18 10:00 | Simon Sedliak v Andrej Krajcik | 6-1,6-0 |
| ITF - M15 Monastir | 2021/04/11 09:00 | Simon Sedliak v Jonas Maier | 2-6,4-6 |