| TT Star Series | 2021/09/20 10:45 | Thomas Keinath v Jakub Seibert | W | 3-2 |
| TT Star Series | 2021/07/13 07:45 | Thomas Keinath v Jakub Seibert | W | 3-1 |
| TT Star Series | 2021/07/02 10:15 | Thomas Keinath v Jakub Seibert | W | 3-0 |
| TT Star Series | 2020/12/07 09:45 | Thomas Keinath v Jakub Seibert | W | 3-0 |
| TT Star Series | 2020/11/27 14:45 | Jakub Seibert v Thomas Keinath | W | 2-3 |
| TT Star Series | 2020/11/25 10:15 | Thomas Keinath v Jakub Seibert | L | 1-3 |
| TT Star Series | 2020/11/24 11:10 | Thomas Keinath v Jakub Seibert | L | 1-3 |
| TT Star Series | 2020/11/21 09:15 | Jakub Seibert v Thomas Keinath | L | 3-2 |
| TT Star Series | 2021/11/08 10:15 | Thomas Keinath v Antonin Gavlas | L | 0-3 |
| TT Star Series | 2021/09/28 11:15 | Antonin Gavlas v Thomas Keinath | L | 3-0 |
| TT Star Series | 2021/09/28 09:45 | Tomas Tregler v Thomas Keinath | L | 3-1 |
| TT Star Series | 2021/09/28 07:45 | Tomas Konecny v Thomas Keinath | L | 3-2 |
| TT Star Series | 2021/09/27 13:15 | Miroslav Horejsi v Thomas Keinath | L | 3-2 |
| TT Star Series | 2021/09/27 10:45 | Jiri Vrablik v Thomas Keinath | W | 0-3 |
| TT Star Series | 2021/09/27 09:15 | Dmitrij Prokopcov v Thomas Keinath | L | 3-0 |
| TT Star Series | 2021/09/27 06:00 | Tomas Beran v Thomas Keinath | W | 0-3 |
| TT Star Series | 2021/11/08 10:45 | Matej Stach v Jakub Seibert | W | 1-3 |
| Czech Republic Extraleague | 2021/11/04 17:02 | Patrik Klos v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/11/02 11:15 | Jakub Seibert v Michal Blinka | W | 3-1 |
| TT Star Series | 2021/11/02 07:00 | Jakub Seibert v Michal Obeslo | L | 1-3 |
| TT Star Series | 2021/11/01 13:15 | Jakub Seibert v Tomas Tregler | L | 1-3 |
| TT Star Series | 2021/11/01 11:45 | Jakub Seibert v Lukasz Wachowiak | L | 1-3 |
| TT Star Series | 2021/11/01 09:15 | Kamil Nalepa v Jakub Seibert | L | 3-1 |
| TT Star Series | 2021/11/01 07:35 | Jakub Seibert v Tomasz Rakowski | L | 1-3 |