| 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 | |
| TT Star Series | 11/13 11:45 | - | Jakub Seibert v Jordy Piccolin | L | 2-3 | |
| TT Star Series | 11/13 09:15 | - | Tibor Spanik v Jakub Seibert | W | 2-3 | |
| TT Elite Series | 11/02 11:25 | - | Szymon Kolasa v Jakub Seibert | W | 0-3 | |
| TT Elite Series | 11/02 10:15 | - | Jakub Seibert v Maciej Podsiadlo | W | 3-0 | |
| TT Elite Series | 11/02 09:05 | - | Krystian Kolodziej v Jakub Seibert | W | 2-3 | |
| TT Elite Series | 11/02 07:55 | - | Michal Murawski v Jakub Seibert | L | 3-2 | |
| TT Elite Series | 11/02 06:15 | - | Artur Daniel v Jakub Seibert | W | 2-3 | |
| TT Elite Series | 11/01 17:45 | - | Josef Braun v Jakub Seibert | L | 3-0 | |
| TT Elite Series | 11/01 16:35 | - | Jakub Seibert v Mateusz Golebiowski | L | 1-3 | |
| TT Elite Series | 11/01 15:25 | - | Adrian Spychala v Jakub Seibert | W | 1-3 | |
| TT Elite Series | 11/01 14:15 | - | Adrian Wiecek v Jakub Seibert | W | 1-3 | |
| TT Elite Series | 11/01 12:35 | - | Jakub Kosowski v Jakub Seibert | L | 3-1 | |
| TT Elite Series | 11/01 11:45 | - | Jakub Kosowski v Jakub Seibert | L | 3-0 | |
| TT Elite Series | 11/01 10:35 | - | Jakub Seibert v Mateusz Golebiowski | L | 0-3 | |
| TT Elite Series | 11/01 09:25 | - | Marcin Jadczyk v Jakub Seibert | W | 2-3 | |
| TT Elite Series | 11/01 08:15 | - | Josef Braun v Jakub Seibert | W | 2-3 | |
| TT Elite Series | 11/01 06:35 | - | Grzegorz Felkel v Jakub Seibert | W | 2-3 | |
| TT Elite Series | 10/31 17:45 | - | Mateusz Golebiowski v Jakub Seibert | W | 0-3 | |
| TT Elite Series | 10/31 16:35 | - | Jakub Seibert v Martin Olejnik | L | 0-3 |