| TT Cup (2023) | 2023/07/31 04:30 | Marcel Mroczka v Kacper Slawinski | W | 1-3 |
| TT Cup (2023) | 2023/07/31 03:00 | Pawel Kos v Kacper Slawinski | W | 0-3 |
| TT Cup (2023) | 2023/07/31 02:30 | Kacper Slawinski v Marcel Mroczka | L | 1-3 |
| TT Cup (2023) | 2023/07/31 00:30 | Kacper Slawinski v Marcin Lasota | W | 3-1 |
| TT Cup (2023) | 2023/07/30 23:00 | Kacper Slawinski v Rafal Ucinski | W | 3-0 |
| TT Cup (2023) | 2023/07/26 15:35 | Rafal Skotniczny v Kacper Slawinski | L | 3-1 |
| TT Cup (2023) | 2023/07/26 15:05 | Jakub Nowak v Kacper Slawinski | L | 3-1 |
| TT Cup (2023) | 2023/07/26 13:35 | Kacper Slawinski v Blazej Szczepanek | W | 3-0 |
| TT Elite Series | 2023/07/09 10:05 | Jakub Kaczmarek v Igor Dabrowski | L | 0-3 |
| TT Elite Series | 2023/07/09 08:35 | Jakub Kaczmarek v Tomasz Lojtek | L | 0-3 |
| TT Elite Series | 2023/07/09 07:25 | Jakub Kaczmarek v Miroslaw Piecowski | L | 0-3 |
| TT Elite Series | 2023/07/09 05:55 | Jakub Kaczmarek v Dawid Kotwica | L | 1-3 |
| TT Elite Series | 2023/07/09 04:55 | Jakub Kaczmarek v Piotr Staniszewski | L | 0-3 |
| TT Elite Series | 2022/12/26 05:15 | Miroslaw Piecowski v Jakub Kaczmarek | L | 3-0 |
| TT Elite Series | 2022/12/26 03:45 | Jakub Kaczmarek v Krzesimir Kleszcz | L | 0-3 |
| TT Elite Series | 2022/12/26 02:15 | Jaroslaw Rolak v Jakub Kaczmarek | L | 3-1 |