| TT Star Series | 2021/06/21 09:15 | Jakub Seibert v Tomas Tregler | L | 0-3 |
| TT Star Series | 2021/04/30 09:45 | Tomas Tregler v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/03/30 07:45 | Tomas Tregler v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/02/23 10:45 | Jakub Seibert v Tomas Tregler | L | 2-3 |
| TT Star Series | 2021/02/15 11:45 | Tomas Tregler v Jakub Seibert | L | 3-1 |
| TT Star Series | 2021/02/02 08:10 | Jakub Seibert v Tomas Tregler | L | 0-3 |
| TT Star Series | 2021/01/12 12:45 | Tomas Tregler v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/01/05 07:00 | Tomas Tregler v Jakub Seibert | L | 3-1 |
| TT Star Series | 2021/07/13 11:15 | Matteo Mutti v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/07/13 09:45 | Dmitrij Prokopcov v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/07/13 07:45 | Thomas Keinath v Jakub Seibert | L | 3-1 |
| TT Star Series | 2021/07/12 13:15 | Tomas Beran v Jakub Seibert | W | 0-3 |
| TT Star Series | 2021/07/12 10:45 | Miroslav Sklensky v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/07/12 09:15 | Alessandro Baciocchi v Jakub Seibert | W | 2-3 |
| TT Star Series | 2021/07/02 10:15 | Thomas Keinath v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/07/02 08:45 | Jakub Zelinka v Jakub Seibert | W | 2-3 |
| TT Star Series | 2021/07/19 12:45 | Jiri Martinko v Tomas Tregler | L | 3-0 |
| TT Star Series | 2021/07/19 11:15 | Tomas Tregler v Michal Bankosz | W | 3-0 |
| TT Star Series | 2021/07/19 09:45 | Tomas Tregler v Maxime Dieudonne | W | 3-0 |
| TT Star Series | 2021/07/19 07:45 | Tomas Tregler v Jakub Kaucky | W | 3-0 |
| TT Star Series | 2021/07/09 12:51 | Dmitrij Prokopcov v Tomas Tregler | W | 0-3 |
| TT Star Series | 2021/07/09 12:45 | Tomas Tregler v Miroslav Horejsi | L | 1-3 |
| TT Star Series | 2021/07/09 11:15 | Josef Braun v Tomas Tregler | W | 1-3 |
| TT Star Series | 2021/07/09 09:45 | Dmitrij Prokopcov v Tomas Tregler | W | 0-3 |