| TT Star Series | 2023/07/12 08:15 | Boguslaw Koszyk v Frantisek Onderka | L | 3-0 |
| TT Star Series | 2023/08/09 08:15 | Elias Ranefur v Frantisek Onderka | L | 3-1 |
| TT Star Series | 2023/08/09 06:35 | Frantisek Onderka v Viktor Yefimov | L | 2-3 |
| TT Star Series | 2023/08/03 11:15 | Jiri Vrablik v Frantisek Onderka | L | 3-2 |
| TT Star Series | 2023/08/03 09:45 | Michal Obeslo v Frantisek Onderka | L | 3-1 |
| TT Star Series | 2023/08/03 07:45 | Oleksandr Tymofieiev v Frantisek Onderka | W | 1-3 |
| TT Star Series | 2023/08/02 13:15 | Assar, Khalid v Frantisek Onderka | L | 3-0 |
| TT Star Series | 2023/08/02 10:45 | Ilias Michailidis v Frantisek Onderka | W | 0-3 |
| TT Star Series | 2023/08/02 09:15 | Youssef Abdel-Aziz v Frantisek Onderka | L | 3-0 |
| TT Star Series | 2023/08/09 09:15 | Yannick Vostes v Boguslaw Koszyk | L | 3-0 |
| TT Star Series | 2023/08/09 06:00 | Elias Ranefur v Boguslaw Koszyk | L | 3-0 |
| TT Star Series | 2023/07/13 11:45 | Boguslaw Koszyk v Romain Ruiz | L | 1-3 |
| TT Star Series | 2023/07/13 08:45 | Boguslaw Koszyk v Michal Benes | W | 3-1 |
| TT Star Series | 2023/07/12 12:45 | Boguslaw Koszyk v David Reitspies | L | 0-3 |
| TT Star Series | 2023/07/12 10:15 | Boguslaw Koszyk v Pavel Sirucek | L | 2-3 |
| TT Star Series | 2023/07/12 08:15 | Boguslaw Koszyk v Frantisek Onderka | W | 3-0 |
| TT Star Series | 2023/07/11 11:15 | Boguslaw Koszyk v Jiri Vrablik | L | 1-3 |