Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Bratislava | 2021/08/18 09:30 | Jiri Barnat v Fabian Marozsan | 4-6,2-6 |
| ITF M15 Bratislava | 2021/08/17 08:00 | Eric Morris v Jiri Barnat | 4-6,6-7 |
| ITF M25 Prague | 2021/05/10 09:00 | Adam Pavlasek v Jiri Barnat | 6-3,4-6,14-12 |
| ITF M25 Prague | 2021/05/09 10:00 | Victor Vlad Cornea v Jiri Barnat | 5-7,6-3,9-11 |
| ITF M15 Sharm El Sheikh | 2021/02/07 13:00 | Chien Hsun Lo v Jiri Barnat | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2021/01/31 07:00 | Francesco Passaro v Jiri Barnat | 6-2,6-3 |
| ITF M25 Jablonec Nad Nisou | 2020/09/20 09:00 | Jiri Barnat v Dominik Kellovsky | 5-7,3-6 |
| ITF M25 Prague | 2020/09/14 08:00 | Jiri Barnat v Petr Nouza | 4-6,3-6 |
| ITF M15 Poprad | 2021/07/04 08:00 | Timo Stodder v Radovan Michalik | 6-2,6-2 |
| ITF M15 Bratislava | 2021/03/08 15:00 | Jakub Kroslak v Radovan Michalik | 6-1,1-6,10-7 |
| ITF M15 Bratislava | 2021/03/01 12:00 | Radovan Michalik v Michal Mikula | 2-6,1-6 |
| ITF M15 Bratislava | 2020/11/23 09:00 | Yann Wojcik v Radovan Michalik | 6-1,6-3 |