| TT Star Series | 2021/07/01 07:45 | Josef Braun v Jiri Martinko | L | 0-3 |
| TT Star Series | 2021/07/01 07:10 | Petr David v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/06/29 11:45 | Ondrej Bajger v Jakub Seibert | L | 3-1 |
| TT Star Series | 2021/06/29 09:45 | Jakub Seibert v David Prusa | W | 3-1 |
| TT Star Series | 2021/06/29 07:10 | David Reitspies v Jakub Seibert | L | 3-1 |
| TT Star Series | 2021/06/28 13:45 | Jiri Vrablik v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/06/28 11:15 | Jiri Martinko v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/06/28 08:45 | Dmitrij Prokopcov v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/06/28 06:35 | Martin Sip v Jakub Seibert | W | 0-3 |