Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 Prijedor | 2023/05/20 07:00 | Petr Brunclik v Andrej Nedic | 1-6,6-1,4-10 |
| ITF M15 Prijedor | 2023/05/19 11:20 | Petr Brunclik v Tim Ruehl | 6-7,6-4,10-7 |
| ITF M15 Prijedor | 2023/05/18 08:45 | Ryan Nijboer v Petr Brunclik | 4-6,6-4,3-10 |
| Challenger Prague Qual | 2023/05/07 11:40 | Daniel Rincon v Petr Brunclik | 6-1,6-7,7-6 |
| ITF M25 Jablonec Nad Nisou | 2022/05/25 08:00 | Khumoyun Sultanov v Petr Brunclik | 6-3,6-2 |
| ITF M25 Jablonec Nad Nisou | 2022/05/24 08:00 | Georgii Kravchenko v Petr Brunclik | 6-1,5-7,8-10 |
| ITF M25 Jablonec Nad Nisou | 2022/05/23 09:30 | Petr Brunclik v Jakub Kroslak | 6-2,6-1 |
| ITF M25 Prague | 2022/05/11 08:00 | Petr Brunclik v Alex Rybakov | 0-6,1-6 |
| ITF M15 Szczawno | 2023/08/29 12:45 | Michal Mikula v Jonas P Hartenstein | 1-6,0-6 |
| ITF M25 Poznan | 2023/08/23 12:05 | Michal Mikula v Vladyslav Orlov | 2-6,3-6 |
| ITF M25 Bielsko Biala | 2023/08/15 08:30 | Hynek Barton v Michal Mikula | 6-0,6-2 |
| ITF M25 Lodz | 2023/08/09 15:45 | Hynek Barton v Michal Mikula | 4-6,6-3,6-2 |
| ITF M15 Vejle | 2023/07/25 09:35 | Georgii Kravchenko v Michal Mikula | 7-6,6-2 |
| ITF M15 Wroclaw | 2023/06/30 10:00 | Kirill Kivattsev v Michal Mikula | 6-2,6-1 |
| ITF M15 Wroclaw | 2023/06/29 10:55 | Michal Mikula v David Poljak | 6-4,6-4 |
| ITF M15 Wroclaw | 2023/06/28 08:00 | Adam Majchrzak v Michal Mikula | 2-6,3-6 |