Stadium: Main Court Round: 26 Ground: Clay
| ITF - M25 Bielsko Biala | 2023/08/15 11:30 | Mateusz Terczynski v Mikolaj Migdalski | 2-6,6-3,6-1 |
| ITF - M25 Bielsko Biala | 2023/08/14 12:00 | Mateusz Terczynski v Stephanos Schinas | 5-7,2-6 |
| ITF - M25 Bielsko Biala | 2023/08/14 07:30 | Mateusz Terczynski v Filip Kana | 6-2,6-1 |
| ITF - M15 Wroclaw | 2023/06/25 09:00 | Pavel Gula v Mateusz Terczynski | 6-4,7-6 |
| ITF - M25 Jablonec Nad Nisou | 2023/05/28 11:30 | Mariano Dedura-Palomero v Mateusz Terczynski | 6-2,6-2 |
| ITF - M25 Wesley Chapel | 2023/01/23 14:45 | Mateusz Terczynski v Timothy Phung | 6-7,3-6 |
| ITF - M15 Tallahassee | 2022/10/25 15:30 | Mateusz Terczynski v Trent Bryde | 6-7,6-4,4-10 |
| ITF - M15 Tallahassee | 2022/10/24 14:00 | Mateusz Terczynski v Roman Postolka | 6-1,3-6,10-8 |
| ITF - M25 Bielsko Biala | 2023/08/15 08:25 | Jasza Szajrych v Jiri Barnat | 6-2,4-6,4-6 |
| 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 |