| TT Star Series | 2021/05/21 13:18 | David Reitspies v Jakub Zelinka | L | 3-0 |
| TT Star Series | 2021/05/21 07:45 | David Reitspies v Jakub Zelinka | L | 3-2 |
| TT Star Series | 2021/04/05 09:15 | David Reitspies v Jakub Zelinka | L | 3-1 |
| TT Star Series | 2021/01/04 10:15 | Jakub Zelinka v David Reitspies | L | 2-3 |
| 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 Pro Series | 2021/06/03 13:15 | Jakub Zelinka v Dmitrij Prokopcov | L | 0-3 |
| TT Star Pro Series | 2021/06/03 11:45 | Radim Bako v Jakub Zelinka | W | 1-3 |
| TT Star Series | 2021/06/29 12:45 | David Reitspies v Dmitrij Prokopcov | W | 3-0 |
| TT Star Series | 2021/06/29 10:15 | Martin Sip v David Reitspies | W | 1-3 |
| TT Star Series | 2021/06/29 08:45 | Ondrej Bajger v David Reitspies | W | 1-3 |
| TT Star Series | 2021/06/29 07:10 | David Reitspies v Jakub Seibert | W | 3-1 |
| TT Star Series | 2021/06/28 13:15 | David Reitspies v David Prusa | W | 3-0 |
| TT Star Series | 2021/06/28 11:45 | Jiri Vrablik v David Reitspies | L | 3-2 |
| TT Star Series | 2021/06/28 09:45 | Jiri Martinko v David Reitspies | W | 0-3 |
| TT Star Series | 2021/06/28 07:10 | Dmitrij Prokopcov v David Reitspies | W | 0-3 |