| TT Star Series | 2023/07/27 10:15 | Frantisek Onderka v Jakub Seibert | L | 3-1 |
| Czech Extraleague | 2023/01/12 17:40 | Jakub Seibert v Frantisek Onderka | W | 3-1 |
| TT Star Series | 2022/07/20 12:15 | Jakub Seibert v Frantisek Onderka | L | 1-3 |
| TT Star Series | 2021/05/11 07:10 | Jakub Seibert v Frantisek Onderka | L | 1-3 |
| Czech Extraleague | 2019/12/05 18:30 | Jakub Seibert v Frantisek Onderka | L | 2-3 |
| TT Elite Series | 2023/12/10 17:25 | Grzegorz Adamiak v Jakub Seibert | W | 2-3 |
| TT Elite Series | 2023/12/10 16:35 | Mateusz Golebiowski v Jakub Seibert | L | 3-0 |
| TT Elite Series | 2023/12/10 14:35 | Marcin Litwiniuk v Jakub Seibert | W | 1-3 |
| TT Elite Series | 2023/12/10 13:50 | Filip Mlynarski v Jakub Seibert | L | 3-0 |
| TT Elite Series | 2023/12/10 12:10 | Adrian Wiecek v Jakub Seibert | L | 3-0 |
| TT Elite Series | 2023/12/10 11:25 | Grzegorz Adamiak v Jakub Seibert | L | 3-1 |
| TT Elite Series | 2023/12/10 10:35 | Marcin Litwiniuk v Jakub Seibert | L | 3-1 |
| TT Elite Series | 2023/12/10 08:35 | Adrian Wiecek v Jakub Seibert | L | 3-0 |
| Europe Cup | 2023/11/16 19:10 | Allan Bentsen v Frantisek Onderka | L | 3-2 |
| TT Star Series | 2023/10/14 10:45 | Tomas Konecny v Frantisek Onderka | L | 3-1 |
| TT Star Series | 2023/10/14 08:15 | Jiri Martinko v Frantisek Onderka | L | 3-0 |
| TT Star Series | 2023/10/14 06:35 | Jakub Zelinka v Frantisek Onderka | L | 3-1 |
| TT Star Series | 2023/10/13 11:45 | Frantisek Onderka v Michal Bankosz | W | 3-2 |
| TT Star Series | 2023/10/13 07:45 | Antonin Gavlas v Frantisek Onderka | L | 3-1 |
| Czech Extraleague | 2023/10/12 16:40 | Frantisek Onderka v Dmitrij Prokopcov | W | 3-0 |
| TT Star Series | 2023/09/28 11:45 | Frantisek Onderka v Taehyun Kim | L | 0-3 |