| Tschechien - Extraleague | 2019/12/05 18:30 | Jakub Seibert v Frantisek Onderka | L | 2-3 |
| TT Star Series | 2021/05/10 13:05 | Jakub Seibert v Miroslav Horejsi | L | 0-3 |
| TT Star Series | 2021/05/10 11:35 | Tomas Martinko v Jakub Seibert | L | 3-1 |
| TT Star Series | 2021/05/10 09:45 | Ondrej Bajger v Jakub Seibert | W | 1-3 |
| TT Star Series | 2021/05/10 07:10 | Jiri Vrablik v Jakub Seibert | L | 3-2 |
| TT Star Series | 2021/04/30 11:15 | Martin Olejnik v Jakub Seibert | L | 3-2 |
| TT Star Series | 2021/04/30 09:45 | Tomas Tregler v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/04/30 07:45 | Dmitrij Prokopcov v Jakub Seibert | L | 3-1 |
| TT Star Series | 2021/04/29 13:15 | Miroslav Horejsi v Jakub Seibert | L | 3-0 |
| TT Star Series | 2021/05/10 13:35 | Tomas Martinko v Frantisek Onderka | L | 3-0 |
| TT Star Series | 2021/05/10 11:05 | Ondrej Bajger v Frantisek Onderka | L | 3-2 |
| TT Star Series | 2021/05/10 08:45 | Jiri Vrablik v Frantisek Onderka | L | 3-0 |
| TT Star Series | 2021/04/23 10:45 | Tomas Konecny v Frantisek Onderka | L | 3-0 |
| TT Star Series | 2021/04/23 08:15 | Miroslav Sklensky v Frantisek Onderka | L | 3-2 |
| TT Star Series | 2021/04/23 06:35 | David Reitspies v Frantisek Onderka | L | 3-0 |
| TT Star Series | 2021/04/22 13:45 | Frantisek Onderka v Patrik Klos | L | 1-3 |
| TT Star Series | 2021/04/22 11:45 | Frantisek Onderka v Miroslav Horejsi | L | 0-3 |