| TT Star Series | 2021/04/22 07:45 | Jiri Vrablik v Frantisek Onderka | W | 3-1 |
| Czech TT Star Series | 2020/07/23 09:45 | Jiri Vrablik v Frantisek Onderka | W | 3-0 |
| Czech TT Star Series | 2020/07/20 06:50 | Jiri Vrablik v Frantisek Onderka | W | 3-1 |
| Czech TT Star Series | 2020/06/29 13:45 | Jiri Vrablik v Frantisek Onderka | W | 3-1 |
| Czech TT Star Series | 2020/06/29 12:15 | Jiri Vrablik v Frantisek Onderka | W | 3-1 |
| TT Star Series | 2021/05/10 07:10 | Jiri Vrablik v Jakub Seibert | W | 3-2 |
| TT Star Series | 2021/04/23 12:51 | Jiri Vrablik v Miroslav Horejsi | W | 3-1 |
| TT Star Series | 2021/04/23 11:44 | David Reitspies v Jiri Vrablik | L | 3-0 |
| TT Star Series | 2021/04/23 11:15 | Jiri Vrablik v Michal Benes | W | 3-0 |
| TT Star Series | 2021/04/23 09:15 | Tomas Konecny v Jiri Vrablik | L | 3-2 |
| TT Star Series | 2021/04/23 06:00 | Miroslav Sklensky v Jiri Vrablik | W | 2-3 |
| TT Star Series | 2021/04/22 12:45 | David Reitspies v Jiri Vrablik | L | 3-2 |
| TT Star Series | 2021/04/22 11:15 | Jiri Vrablik v Patrik Klos | W | 3-0 |
| TT Star Series | 2021/04/23 10:45 | Tomas Konecny v Frantisek Onderka | L | 3-0 |
| TT Star Series | 2021/04/23 08:15 | Miroslav Sklensky v Frantisek Onderka | L | 3-2 |
| TT Star Series | 2021/04/23 06:35 | David Reitspies v Frantisek Onderka | L | 3-0 |
| TT Star Series | 2021/04/22 13:45 | Frantisek Onderka v Patrik Klos | L | 1-3 |
| TT Star Series | 2021/04/22 11:45 | Frantisek Onderka v Miroslav Horejsi | L | 0-3 |
| TT Star Series | 2021/04/22 09:15 | Frantisek Onderka v Michal Benes | L | 0-3 |
| TT Star Series | 2021/04/22 07:45 | Jiri Vrablik v Frantisek Onderka | L | 3-1 |
| Czech Extraleague | 2021/04/08 17:00 | Frantisek Onderka v Martin Olejnik | L | 0-3 |