| TT Cup | 01/14 15:50 | - | Jan Trefny v Daniel Skopec | W | 3-0 | |
| TT Cup | 01/13 19:00 | - | Josef Pistora v Jan Trefny | L | 3-1 | |
| TT Cup | 01/13 17:20 | - | Jan Trefny v Pavel Cibik | W | 3-0 | |
| TT Cup | 01/13 16:20 | - | Jan Trefny v Josef Pistora | L | 0-3 | |
| TT Cup | 01/13 15:20 | - | Jan Trefny v Tomas Barsa | W | 3-0 | |
| TT Cup | 01/09 18:25 | - | Jan Trefny v Vladimir Milata Jnr | W | 3-1 | |
| TT Cup | 01/09 17:50 | - | Jan Trefny v Stepan Koci | L | 1-3 | |
| TT Cup | 01/09 16:20 | - | Martin Dvorak v Jan Trefny | L | 3-0 | |
| TT Cup | 01/09 15:50 | - | Vladimir Milata Jnr v Jan Trefny | W | 2-3 | |
| TT Cup | 01/08 19:10 | - | Jan Trefny v Zbynek Vyskocil | W | 3-0 | |
| TT Cup | 01/08 18:10 | - | Pavel Cibik v Jan Trefny | W | 1-3 | |
| TT Cup | 01/08 17:10 | - | Jan Trefny v Zbynek Vyskocil | W | 3-1 | |
| TT Cup | 01/08 15:40 | - | Zdenek Macek v Jan Trefny | W | 0-3 | |
| TT Cup | 01/03 14:25 | - | Tomas Barsa v Jan Trefny | W | 0-3 | |
| TT Cup | 01/03 13:50 | - | Jan Trefny v Tomas Barsa | L | 2-3 | |
| TT Cup | 01/03 12:20 | - | Josef Pistora v Jan Trefny | L | 3-0 | |
| TT Cup | 01/03 11:50 | - | Martin Dvorak v Jan Trefny | W | 2-3 | |
| TT Cup (2023) | 12/29 15:00 | - | Zbynek Vyskocil v Jan Trefny | W | 2-3 | |
| TT Cup (2023) | 12/29 13:50 | - | Jan Trefny v Josef Pistora | W | 3-1 | |
| TT Cup (2023) | 12/29 12:20 | - | Zbynek Vyskocil v Jan Trefny | L | 3-1 | |
| TT Cup (2023) | 12/29 11:50 | - | Tomas Barsa v Jan Trefny | W | 1-3 | |
| TT Cup (2023) | 12/15 18:20 | - | Jan Trefny v Pavel Verner | L | 1-3 | |
| TT Cup (2023) | 12/15 17:20 | - | Jan Trefny v Josef Pistora | L | 1-3 | |
| TT Cup (2023) | 12/15 16:20 | - | Jan Trefny v Pavel Verner | W | 3-2 | |
| TT Cup (2023) | 12/15 15:20 | - | Jan Trefny v Tomas Krejci | L | 0-3 | |
| TT Cup (2023) | 12/10 14:25 | - | Stepan Koci v Jan Trefny | W | 0-3 | |
| TT Cup (2023) | 12/10 13:50 | - | Petr Priscak v Jan Trefny | W | 0-3 | |
| TT Cup (2023) | 12/10 12:50 | - | Jan Trefny v Martin Prusa | L | 2-3 | |
| TT Cup (2023) | 12/10 11:20 | - | Stepan Koci v Jan Trefny | L | 3-0 | |
| TT Cup (2023) | 12/09 18:50 | - | Jan Trefny v Josef Pistora | W | 3-0 |