| TT Cup (2023) | 11/23 16:20 | - | Stanislav Jansa v Karel Kastner | W | 1-3 | |
| TT Cup (2023) | 11/23 15:50 | - | Pavel Vyvial v Karel Kastner | W | 1-3 | |
| TT Cup (2023) | 11/14 18:20 | - | Karel Kastner v Vladimir Libovicky | L | 2-3 | |
| TT Cup (2023) | 11/14 17:50 | - | Karel Kastner v Vladimir Libovicky | W | 3-1 | |
| TT Cup (2023) | 11/14 16:20 | - | Petr Litomisky v Karel Kastner | L | 3-0 | |
| TT Cup (2023) | 11/14 15:50 | - | Lubos Cermak v Karel Kastner | L | 3-1 | |
| TT Cup (2023) | 11/12 14:25 | - | Karel Kastner v Vladimir Libovicky | W | 3-1 | |
| TT Cup (2023) | 11/12 13:50 | - | Karel Kastner v Vladimir Libovicky | W | 3-2 | |
| TT Cup (2023) | 11/12 12:20 | - | Pavel Vyvial v Karel Kastner | L | 3-0 | |
| TT Cup (2023) | 11/12 11:50 | - | Jaroslav Podrapsky v Karel Kastner | L | 3-2 | |
| TT Cup (2023) | 11/11 14:20 | - | Vojtech Leska v Karel Kastner | L | 3-0 | |
| TT Cup (2023) | 11/11 13:50 | - | Karel Kastner v Vojtech Leska | L | 0-3 | |
| TT Cup (2023) | 11/11 12:20 | - | Vladimir Svoboda v Karel Kastner | L | 3-2 | |
| TT Cup (2023) | 11/11 11:50 | - | Zdenek Bron v Karel Kastner | L | 3-1 | |
| TT Cup (2023) | 11/11 10:50 | - | Karel Kastner v Zdenek Bron | L | 2-3 | |
| TT Cup (2023) | 11/11 09:50 | - | Zdenek Bron v Karel Kastner | W | 0-3 | |
| TT Cup (2023) | 11/11 08:50 | - | Karel Kastner v Marek Teiml | W | 3-1 | |
| TT Cup (2023) | 11/11 07:20 | - | Vladimir Libovicky v Karel Kastner | W | 1-3 | |
| TT Cup (2023) | 11/04 22:20 | - | Vladimir Libovicky v Karel Kastner | W | 1-3 | |
| TT Cup (2023) | 11/04 21:50 | - | Karel Kastner v Vladimir Libovicky | L | 0-3 | |
| TT Cup (2023) | 11/04 20:20 | - | David Nosek v Karel Kastner | L | 3-1 | |
| TT Cup (2023) | 11/04 19:50 | - | Zdenek Bron v Karel Kastner | W | 0-3 | |
| TT Cup (2023) | 11/04 18:30 | - | Karel Kastner v Vojtech Strouhal | L | 2-3 | |
| TT Cup (2023) | 11/04 17:50 | - | Karel Kastner v Zdenek Bron | L | 1-3 | |
| TT Cup (2023) | 11/04 16:20 | - | Vojtech Strouhal v Karel Kastner | W | 1-3 | |
| TT Cup (2023) | 11/04 15:50 | - | Vladimir Svoboda v Karel Kastner | W | 1-3 | |
| TT Cup (2023) | 10/28 13:35 | - | Vladimir Svoboda v Karel Kastner | W | 0-3 | |
| TT Cup (2023) | 10/28 12:50 | - | Karel Kastner v Vojtech Leska | L | 2-3 | |
| TT Cup (2023) | 10/28 11:20 | - | Marek Teiml v Karel Kastner | W | 2-3 | |
| TT Cup (2023) | 10/28 10:50 | - | Vladimir Svoboda v Karel Kastner | L | 3-0 |