| TT Star Series | 2021/04/09 07:45 | Jakub Seibert v Jakub Zelinka | W | 0-1 |
| TT Star Series | 2021/04/05 10:45 | Jakub Seibert v Jakub Zelinka | L | 3-1 |
| TT Star Series | 2021/01/04 08:45 | Jakub Seibert v Jakub Zelinka | W | 2-3 |
| Czech Republic Extraleague | 2020/09/11 17:54 | Jakub Zelinka v Jakub Seibert | L | 2-3 |
| TT Star Series | 2021/07/02 06:35 | Jakub Zelinka v Jiri Martinko | W | 3-2 |
| TT Star Series | 2021/07/01 12:45 | Jakub Zelinka v Josef Braun | W | 3-0 |
| TT Star Series | 2021/07/01 10:15 | Jakub Zelinka v Petr David | W | 3-2 |
| TT Star Series | 2021/07/01 08:15 | Jakub Zelinka v Thomas Keinath | W | 3-2 |
| TT Star Series | 2021/07/01 06:00 | Jakub Zelinka v David Reitspies | W | 3-2 |
| European Championships | 2021/06/22 16:45 | Andrei Putuntica v Jakub Zelinka | L | 3-2 |
| Others | 2021/06/04 13:11 | Dmitrij Prokopcov v Jakub Zelinka | L | 3-1 |
| TT Star Series | 2021/06/04 12:45 | Miroslav Horejsi v Jakub Zelinka | L | 3-2 |
| TT Star Series | 2021/07/02 07:10 | Jakub Seibert v Ondrej Bajger | L | 0-3 |
| TT Star Series | 2021/07/01 13:15 | Jakub Seibert v David Reitspies | L | 0-3 |
| TT Star Series | 2021/07/01 11:45 | Jiri Martinko v Jakub Seibert | L | 3-2 |
| TT Star Series | 2021/07/01 09:45 | Josef Braun v Jakub Seibert | W | 1-3 |
| 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 |