| TT Star Series | 2024/01/26 14:15 | Boguslaw Koszyk v Viktor Yefimov | L | 3-0 |
| TT Star Series | 2023/11/22 13:15 | Boguslaw Koszyk v Viktor Yefimov | L | 3-0 |
| TT Star Series | 2023/10/21 10:15 | Boguslaw Koszyk v Viktor Yefimov | W | 2-3 |
| TT Star Series | 2023/10/06 11:45 | Viktor Yefimov v Boguslaw Koszyk | W | 3-2 |
| TT Star Series | 2023/08/10 09:45 | Viktor Yefimov v Boguslaw Koszyk | L | 1-3 |
| TT Star Series | 2023/02/16 07:35 | Boguslaw Koszyk v Viktor Yefimov | W | 2-3 |
| TT Star Series | 2023/02/13 08:10 | Viktor Yefimov v Boguslaw Koszyk | L | 0-3 |