| TT Star Series | 2021/05/21 09:15 | David Reitspies v Jakub Kaucky | L | 3-1 |
| TT Star Series | 2021/05/21 06:00 | Petr Husnik v Jakub Kaucky | L | 3-0 |
| TT Star Series | 2021/05/20 12:45 | Petr David v Jakub Kaucky | L | 3-0 |
| TT Star Series | 2021/05/20 11:15 | Jakub Kaucky v Adam Stalzer | L | 2-3 |
| TT Star Series | 2021/05/20 09:45 | Jakub Kaucky v Patrik Klos | L | 0-3 |
| TT Star Series | 2021/05/20 07:45 | Jakub Kaucky v Oleksandr Tymofieiev | L | 1-3 |
| TT Star Series | 2021/05/14 11:15 | Michal Benes v Jakub Kaucky | L | 3-1 |
| TT Star Series | 2021/05/14 09:45 | Jan Valenta v Jakub Kaucky | L | 3-2 |
| TT Star Series | 2021/05/21 09:45 | Adam Stalzer v Jakub Zelinka | W | 2-3 |
| TT Star Series | 2021/05/21 07:45 | David Reitspies v Jakub Zelinka | L | 3-2 |
| TT Star Series | 2021/05/20 13:15 | Patrik Klos v Jakub Zelinka | L | 3-1 |
| TT Star Series | 2021/05/20 10:45 | Petr Husnik v Jakub Zelinka | W | 1-3 |
| TT Star Series | 2021/05/20 09:15 | Oleksandr Tymofieiev v Jakub Zelinka | W | 1-3 |
| TT Star Series | 2021/05/20 06:00 | Petr David v Jakub Zelinka | L | 3-0 |
| TT Star Series | 2021/04/09 13:45 | Miroslav Sklensky v Jakub Zelinka | W | 1-3 |
| TT Star Series | 2021/04/09 12:45 | Jakub Zelinka v David Prusa | W | 3-0 |