| TT Star Series | 2022/02/15 09:45 | Tomas Tregler v Frantisek Onderka | W | 3-0 |
| TT Star Series | 2022/02/08 08:45 | Frantisek Onderka v Tomas Tregler | W | 0-3 |
| Czech TT Star Series | 2020/06/15 12:45 | Tomas Tregler v Frantisek Onderka | W | 3-0 |
| Czech TT Star Series | 2020/06/15 11:25 | Tomas Tregler v Frantisek Onderka | W | 3-0 |
| Czech Republic Extraleague | 2019/11/28 19:31 | Frantisek Onderka v Tomas Tregler | W | 0-3 |
| Czech Republic Extraleague | 2019/04/05 16:45 | Frantisek Onderka v Tomas Tregler | L | 3-0 |