| TT Star Series | 2021/01/18 12:45 | Antoni Witkowski v Jakub Seibert | L | 3-1 |
| TT Star Series | 2022/12/15 12:45 | Ondrej Kveton v Jakub Seibert | L | 3-1 |
| TT Star Series | 2022/12/15 10:45 | Jakub Seibert v Bohuslav Koszyk | W | 3-1 |
| TT Star Series | 2022/12/15 08:10 | Petr Husnik v Jakub Seibert | W | 0-3 |
| TT Star Series | 2022/12/14 12:15 | Ondrej Bajger v Jakub Seibert | L | 3-0 |
| TT Star Series | 2022/12/14 09:45 | Petr David v Jakub Seibert | L | 3-0 |
| TT Star Series | 2022/12/14 07:35 | Patrik Klos v Jakub Seibert | W | 2-3 |
| TT Star Series | 2022/12/06 11:15 | Michal Obeslo v Jakub Seibert | L | 3-1 |
| TT Star Series | 2022/12/06 09:45 | Yevhen Pryshchepa v Jakub Seibert | L | 3-1 |
| TT Elite Series | 2023/01/05 12:50 | Antoni Witkowski v Marcin Jadczyk | W | 3-1 |
| TT Elite Series | 2023/01/05 11:20 | Antoni Witkowski v Pawel Koziel | L | 2-3 |
| TT Elite Series | 2023/01/05 09:50 | Antoni Witkowski v Grzegorz Felkel | W | 3-2 |
| TT Elite Series | 2023/01/05 08:20 | Adam Dosz v Antoni Witkowski | L | 3-2 |
| TT Elite Series | 2023/01/05 07:20 | Antoni Witkowski v Slawomir Dosz | W | 3-1 |
| TT Elite Series | 2023/01/04 20:50 | Jakub Kosowski v Antoni Witkowski | W | 0-3 |
| TT Elite Series | 2023/01/04 19:50 | Slawomir Dosz v Antoni Witkowski | L | 3-0 |
| TT Elite Series | 2023/01/04 18:50 | Antoni Witkowski v Petr David | L | 0-3 |