Stadium: Center Court Round: 25 Ground: Clay
| ITF M25 Lodz | 2023/08/10 12:00 | Jasza Szajrych v Andrew Paulson | 1-6,3-6 |
| ITF M25 Lodz | 2023/08/09 15:50 | Jasza Szajrych v Fryderyk Lechno-Wasiutynski | 7-5,6-2 |
| ITF M15 Hyvinkaa | 2023/08/03 06:30 | Federico Bertuccioli v Jasza Szajrych | 6-1,6-2 |
| ITF M15 Hyvinkaa | 2023/08/01 07:00 | Jasza Szajrych v Oskar Jansson | 6-2,6-3 |
| ITF M15 Wroclaw | 2023/06/29 08:55 | Michael Agwi v Jasza Szajrych | 6-1,6-3 |
| ITF M15 Wroclaw | 2023/06/28 08:00 | Jasza Szajrych v Marc Antoine Gaillard | 7-6,6-3 |
| ITF M15 Wroclaw | 2023/06/26 12:00 | Jasza Szajrych v Adam Heinonen | 2-6,6-3,10-7 |
| ITF M25 Poprad | 2023/06/21 08:00 | Jasza Szajrych v Andrew Paulson | 4-6,2-6 |
| ITF M25 Lodz | 2023/08/11 07:55 | Daniel Paty v Jiri Barnat | 7-5,3-6,6-3 |
| ITF M25 Lodz | 2023/08/10 09:30 | Pavel Nejedly v Jiri Barnat | 4-6,5-7 |
| ITF M25 Lodz | 2023/08/09 17:00 | Piotr Grynkowski v Jiri Barnat | 3-6,3-6 |
| Challenger Liberec | 2023/07/31 09:45 | Federico Agustin Gomez v Jiri Barnat | 1-6,6-3,7-6 |
| ITF M25 Kassel | 2023/07/13 09:30 | Hady Habib v Jiri Barnat | 6-2,6-3 |
| ITF M25 Kassel | 2023/07/11 13:00 | Jiri Barnat v Gilles Arnaud Bailly | 6-3,6-2 |
| ITF M15 Wroclaw | 2023/07/02 10:55 | Goncalo Oliveira v Jiri Barnat | 6-2,6-4 |
| ITF M15 Wroclaw | 2023/06/30 08:30 | Peter Benjamin Privara v Jiri Barnat | 4-6,2-6 |