| TT Elite Series | 12/05 22:55 | - | Bartosz Czerwinski v Jakub Seibert | W | 0-3 | |
| TT Elite Series | 12/05 22:10 | - | Adrian Spychala v Jakub Seibert | L | 3-0 | |
| TT Elite Series | 12/05 21:25 | - | Jakub Seibert v Lukasz Jarocki | W | 3-0 | |
| TT Elite Series | 12/05 19:50 | - | Jakub Seibert v Krystian Kolodziej | W | 3-0 | |
| TT Elite Series | 12/05 19:00 | - | Jan Urbanek v Jakub Seibert | L | 3-1 | |
| TT Elite Series | 12/05 11:25 | - | Jakub Seibert v Josef Braun | L | 2-3 | |
| TT Elite Series | 12/05 09:50 | - | Jakub Seibert v Marcin Jadczyk | L | 2-3 | |
| TT Elite Series | 12/05 08:40 | - | Jakub Seibert v Frantisek Krcil | W | 3-1 | |
| TT Elite Series | 12/05 07:05 | - | Jakub Seibert v Filip Mlynarski | W | 3-1 | |
| TT Elite Series | 12/05 05:50 | - | Jakub Seibert v Michal Murawski | W | 3-1 | |
| TT Elite Series | 12/04 17:45 | - | Mateusz Golebiowski v Jakub Seibert | L | 3-0 | |
| TT Elite Series | 12/04 16:25 | - | Michal Murawski v Jakub Seibert | L | 3-2 | |
| TT Elite Series | 12/04 14:25 | - | Maciej Podsiadlo v Jakub Seibert | W | 1-3 | |
| TT Elite Series | 12/04 13:40 | - | Filip Mlynarski v Jakub Seibert | L | 3-2 | |
| TT Elite Series | 12/04 12:00 | - | Jan Urbanek v Jakub Seibert | W | 1-3 | |
| TT Elite Series | 12/04 10:40 | - | Michal Murawski v Jakub Seibert | L | 3-0 | |
| TT Elite Series | 12/04 09:50 | - | Maciej Podsiadlo v Jakub Seibert | L | 3-2 | |
| TT Elite Series | 12/04 09:05 | - | Jakub Seibert v Bartosz Czerwinski | W | 3-1 | |
| TT Elite Series | 12/04 07:30 | - | Jakub Seibert v Mateusz Golebiowski | L | 2-3 | |
| TT Elite Series | 12/04 06:40 | - | Jan Urbanek v Jakub Seibert | L | 3-1 | |
| TT Star Series | 12/02 12:15 | - | Jakub Seibert v Michal Benes | L | 0-3 | |
| TT Star Series | 12/02 10:15 | - | Adam Klajber v Jakub Seibert | L | 3-0 | |
| TT Star Series | 12/02 07:00 | - | Roman Rezetka v Jakub Seibert | W | 2-3 | |
| TT Star Series | 12/01 13:45 | - | Dmitrij Prokopcov v Jakub Seibert | L | 3-2 | |
| TT Star Series | 12/01 12:15 | - | Jakub Seibert v Viktor Yefimov | L | 0-3 | |
| TT Star Series | 12/01 10:45 | - | Jakub Seibert v Antonin Gavlas | L | 0-3 | |
| TT Star Series | 12/01 08:45 | - | Jakub Seibert v Tomas Konecny | L | 0-3 | |
| TT Star Series | 11/14 09:15 | - | Jakub Seibert v Tommaso Giovannetti | W | 3-2 | |
| TT Star Series | 11/14 07:00 | - | Jakub Seibert v Matteo Mutti | L | 0-3 | |
| TT Star Series | 11/13 13:15 | - | Jakub Seibert v Simon Berglund | L | 0-3 |