| WTT Contender Budapest | 2021/08/15 18:00 | Aleksandr Tyutryumov v Jakub Zelinka | L | 3-2 |
| WTT Contender Budapest | 2021/08/15 08:00 | Jakub Zelinka v Balazs Lei | W | 3-0 |
| Others | 2021/08/03 14:01 | Jakub Folwarski v Jakub Zelinka | W | 1-3 |
| TT Star Series | 2021/08/03 12:45 | Jiri Vrablik v Jakub Zelinka | L | 3-1 |
| TT Star Series | 2021/08/03 10:45 | Daniel Kosiba v Jakub Zelinka | W | 2-3 |
| TT Star Series | 2021/08/03 08:15 | Krystof Prida v Jakub Zelinka | W | 0-3 |
| TT Star Series | 2021/08/03 06:35 | Jakub Folwarski v Jakub Zelinka | L | 3-2 |
| TT Star Series | 2021/08/02 13:45 | Jakub Zelinka v David Reitspies | W | 3-2 |