| TT Star Series | 2021/05/20 06:00 | Petr David v Jakub Zelinka | L | 3-0 |
| 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 Pro Series | 2021/06/04 10:15 | Patrik Klos v Jakub Zelinka | W | 1-3 |
| TT Star Pro Series | 2021/06/04 08:45 | Miroslav Horejsi v Jakub Zelinka | L | 3-2 |
| TT Star Pro Series | 2021/06/04 07:10 | Jakub Zelinka v Filip Cernota | W | 3-0 |
| TT Star Series | 2021/07/01 08:45 | Petr David v Ondrej Bajger | W | 3-1 |
| TT Star Series | 2021/07/01 07:10 | Petr David v Jakub Seibert | W | 3-0 |
| TT Star Series | 2021/06/25 10:15 | David Reitspies v Petr David | L | 3-0 |
| TT Star Series | 2021/06/25 08:45 | Oleksandr Tymofieiev v Petr David | W | 1-3 |
| TT Star Series | 2021/06/25 07:10 | Petr David v Michal Benes | L | 2-3 |
| TT Star Series | 2021/06/24 13:15 | Petr David v Michal Blinka | W | 3-1 |
| TT Star Series | 2021/06/24 11:45 | Jiri Vrablik v Petr David | L | 3-2 |
| TT Star Series | 2021/06/24 09:45 | Tomas Tregler v Petr David | L | 3-2 |