| TT Star Series | 2022/09/03 11:57 | Frantisek Onderka v Klasek, Marek | L | 5-10 |
| TT Star Series | 2022/09/03 10:07 | Klasek, Marek v Frantisek Onderka | L | 10-8 |
| République tchèque - Extraleague | 2023/02/24 17:40 | Tomas Pavelka v Frantisek Onderka | W | 1-3 |
| TT Star Series | 2023/01/14 11:45 | Stefan Kostadinovic v Frantisek Onderka | W | 2-3 |
| TT Star Series | 2023/01/14 09:15 | Josef Braun v Frantisek Onderka | L | 3-1 |
| TT Star Series | 2023/01/14 07:35 | Amirreza Abbasi v Frantisek Onderka | L | 3-1 |
| TT Star Series | 2023/01/13 14:45 | Frantisek Onderka v Salifou, Abdel-Kader | L | 0-3 |
| TT Star Series | 2023/01/13 12:45 | Frantisek Onderka v SHiyu Sun | L | 2-3 |
| TT Star Series | 2023/01/13 10:15 | Frantisek Onderka v Yannick Vostes | L | 0-3 |
| TT Star Series | 2023/01/13 08:45 | Radim Bako v Frantisek Onderka | W | 0-3 |
| République tchèque - Extraleague | 2023/02/24 17:50 | Klasek, Marek v David Reitspies | L | 1-3 |
| République tchèque - Extraleague | 2023/02/10 17:40 | Miroslav Bindac v Klasek, Marek | W | 2-3 |
| République tchèque - Extraleague | 2023/01/26 17:00 | Klasek, Marek v Petr David | W | 3-1 |
| République tchèque - Extraleague | 2023/01/26 17:00 | Klasek, Marek v Tomas Pavelka | W | 3-1 |
| République tchèque - Extraleague | 2023/01/20 18:30 | Klasek, Marek v Jan Valenta | L | 2-3 |
| République tchèque - Extraleague | 2023/01/20 17:25 | Klasek, Marek v Ondrej Bajger | W | 3-2 |
| République tchèque - Extraleague | 2022/11/11 18:30 | Klasek, Marek v Jakub Zelinka | L | 1-3 |
| République tchèque - Extraleague | 2022/11/11 17:30 | Klasek, Marek v Tomas Konecny | L | 0-3 |