| TT Elite Series | 2023/07/19 14:50 | Jakub Kosowski v Jakub Folwarski | L | 0-3 |
| TT Elite Series | 2022/08/19 10:30 | Jakub Folwarski v Jakub Kosowski | L | 3-2 |
| TT Elite Series | 2022/08/18 09:00 | Jakub Folwarski v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2020/07/17 10:30 | Jakub Folwarski v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2020/07/13 06:30 | Jakub Kosowski v Jakub Folwarski | W | 3-0 |
| Challenger - Ochsenhausen | 2018/10/25 09:50 | Jakub Folwarski v Jakub Kosowski | L | 3-2 |
| Challenger - Ochsenhausen | 2018/10/22 12:30 | Jakub Kosowski v Jakub Folwarski | W | 3-1 |
| Challenger - Ochsenhausen | 2018/06/06 08:30 | Jakub Kosowski v Jakub Folwarski | W | 3-0 |
| TT Elite Series | 2023/07/20 08:25 | Slawomir Dosz v Jakub Kosowski | L | 3-0 |
| TT Elite Series | 2023/07/20 07:15 | Adam Dosz v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2023/07/20 05:35 | Piotr Chodorski v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2023/07/19 16:00 | Jakub Kosowski v Piotr Chodorski | L | 0-3 |
| TT Elite Series | 2023/07/19 14:50 | Jakub Kosowski v Jakub Folwarski | L | 0-3 |
| TT Elite Series | 2023/07/19 13:35 | Jakub Kosowski v Michal Benes | L | 1-3 |
| TT Elite Series | 2023/07/19 12:25 | Ondrej Bajger v Jakub Kosowski | W | 2-3 |
| TT Elite Series | 2023/07/19 11:35 | Jakub Kosowski v Adam Dosz | L | 0-3 |
| TT Elite Series | 2023/07/20 07:35 | Piotr Chodorski v Jakub Folwarski | W | 2-3 |
| TT Elite Series | 2023/07/20 06:50 | Slawomir Dosz v Jakub Folwarski | W | 2-3 |
| TT Elite Series | 2023/07/20 05:10 | Jan Zandecki v Jakub Folwarski | L | 3-2 |
| TT Elite Series | 2023/07/19 16:25 | Jakub Folwarski v Michal Benes | W | 3-0 |
| TT Elite Series | 2023/07/19 14:50 | Jakub Kosowski v Jakub Folwarski | W | 0-3 |
| TT Elite Series | 2023/07/19 14:00 | Ondrej Bajger v Jakub Folwarski | W | 0-3 |
| TT Elite Series | 2023/07/19 13:15 | Jakub Folwarski v Adam Dosz | L | 1-3 |
| TT Elite Series | 2023/07/19 12:00 | Jakub Folwarski v Piotr Chodorski | L | 2-3 |