| TT Star Series | 2020/12/15 08:10 | Boguslav Koszyk v Tomas Tregler | W | 3-2 |
| Czech TT Star Series | 2020/10/06 11:45 | Boguslav Koszyk v Tomas Tregler | L | 0-3 |
| Czech TT Star Series | 2020/08/20 06:00 | Boguslav Koszyk v Tomas Tregler | L | 0-3 |
| Czech TT Star Series | 2020/08/18 10:15 | Tomas Tregler v Boguslav Koszyk | L | 3-0 |