| TT Star Series | 2021/07/12 13:15 | Tomas Beran v Jakub Seibert | W | 0-3 |
| TT Star Series | 2021/10/14 08:15 | Radek Skala v Jakub Seibert | W | 2-3 |
| TT Star Series | 2021/10/14 06:35 | Jakub Seibert v Tomas Koldas | W | 3-2 |
| Others | 2021/09/24 15:08 | Jakub Kleprlik v Jakub Seibert | L | 3-2 |
| TT Star Series | 2021/09/21 11:15 | Viktor Brodd v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/09/21 09:45 | Tomas Tregler v Jakub Seibert | L | 3-1 |
| 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 | 2021/10/14 09:15 | Michal Benes v Tomas Beran | L | 3-0 |
| TT Star Series | 2021/10/14 06:15 | Radek Skala v Tomas Beran | L | 3-0 |
| TT Star Series | 2021/09/28 11:45 | Tomas Beran v Tomas Tregler | L | 0-3 |
| TT Star Series | 2021/09/28 08:45 | Tomas Beran v Miroslav Horejsi | L | 0-3 |
| TT Star Series | 2021/09/28 06:35 | Tomas Beran v Dmitrij Prokopcov | L | 0-3 |
| TT Star Series | 2021/09/27 12:45 | Tomas Beran v Antonin Gavlas | L | 0-3 |
| TT Star Series | 2021/09/27 10:15 | Tomas Beran v Tomas Konecny | L | 0-3 |
| TT Star Series | 2021/09/27 08:15 | Tomas Beran v Jiri Vrablik | L | 0-3 |