| TT Star Series | 2021/10/05 08:15 | Petr David v Boguslav Koszyk | W | 2-3 |
| TT Star Series | 2021/01/25 15:45 | Petr David v Boguslav Koszyk | L | 3-1 |
| TT Star Series | 2020/12/18 09:15 | Boguslav Koszyk v Petr David | W | 3-2 |
| Czech TT Star Series | 2020/10/09 08:15 | Petr David v Boguslav Koszyk | L | 3-2 |