| TT Star Series | 2021/07/29 11:45 | Tomas Tregler v Jakub Seibert | W | 3-0 |
| TT Star Series | 2021/06/21 09:15 | Jakub Seibert v Tomas Tregler | W | 0-3 |
| TT Star Series | 2021/04/30 09:45 | Tomas Tregler v Jakub Seibert | W | 3-0 |
| TT Star Series | 2021/03/30 07:45 | Tomas Tregler v Jakub Seibert | W | 3-0 |
| TT Star Series | 2021/02/23 10:45 | Jakub Seibert v Tomas Tregler | W | 2-3 |
| TT Star Series | 2021/02/15 11:45 | Tomas Tregler v Jakub Seibert | W | 3-1 |
| TT Star Series | 2021/02/02 08:10 | Jakub Seibert v Tomas Tregler | W | 0-3 |
| TT Star Series | 2021/01/12 12:45 | Tomas Tregler v Jakub Seibert | W | 3-0 |
| TT Star Series | 2021/09/21 07:10 | Amirreza Abbasi v Tomas Tregler | W | 0-3 |
| TT Star Series | 2021/09/20 13:45 | David Reitspies v Tomas Tregler | W | 2-3 |
| TT Star Series | 2021/09/20 11:15 | Viktor Brodd v Tomas Tregler | L | 3-2 |
| TT Star Series | 2021/09/20 08:45 | Oleksandr Tymofieiev v Tomas Tregler | W | 0-3 |
| TT Star Series | 2021/09/20 06:35 | Thomas Keinath v Tomas Tregler | L | 3-1 |
| TT Star Series | 2021/08/27 10:15 | Dmitrij Prokopcov v Tomas Tregler | L | 3-1 |
| TT Star Series | 2021/08/27 08:45 | Michal Bankosz v Tomas Tregler | W | 1-3 |
| TT Star Series | 2021/08/27 07:10 | Tomas Tregler v Abdel Kader Salifou | L | 1-3 |
| TT Star Series | 2021/09/21 07:45 | Oleksandr Tymofieiev v Jakub Seibert | W | 2-3 |
| TT Star Series | 2021/09/20 13:15 | Amirreza Abbasi v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/09/20 10:45 | Thomas Keinath v Jakub Seibert | L | 3-2 |
| TT Star Series | 2021/09/20 09:15 | David Reitspies v Jakub Seibert | L | 3-0 |
| Others | 2021/09/03 13:48 | Jakub Seibert v Miroslav Sklensky | W | 3-2 |
| TT Star Series | 2021/09/03 12:42 | Kamil Nalepa v Jakub Seibert | L | 3-2 |
| TT Star Series | 2021/09/03 10:45 | Jakub Seibert v Josef Braun | L | 2-3 |
| TT Star Series | 2021/09/03 09:15 | Jakub Seibert v Frane Runjic | W | 3-1 |