| TT Elite Series | 2023/07/20 09:35 | Jakub Kosowski v Jakub Folwarski | L | 3-0 |
| TT Elite Series | 2023/07/19 14:50 | Jakub Kosowski v Jakub Folwarski | W | 0-3 |
| TT Elite Series | 2022/08/19 10:30 | Jakub Folwarski v Jakub Kosowski | W | 3-2 |
| TT Elite Series | 2022/08/18 09:00 | Jakub Folwarski v Jakub Kosowski | L | 1-3 |
| Challenger - Ochsenhausen | 2020/07/17 10:30 | Jakub Folwarski v Jakub Kosowski | L | 1-3 |
| Challenger - Ochsenhausen | 2020/07/13 06:30 | Jakub Kosowski v Jakub Folwarski | L | 3-0 |
| Challenger - Ochsenhausen | 2018/10/25 09:50 | Jakub Folwarski v Jakub Kosowski | W | 3-2 |
| Challenger - Ochsenhausen | 2018/10/22 12:30 | Jakub Kosowski v Jakub Folwarski | L | 3-1 |
| TT Elite Series | 2023/08/11 08:00 | Jakub Folwarski v Martin Olejnik | L | 0-3 |
| TT Elite Series | 2023/08/11 06:25 | Jakub Folwarski v Slawomir Dosz | L | 0-3 |
| TT Elite Series | 2023/08/11 05:10 | Jakub Folwarski v Amirreza Abbasi | W | 3-2 |
| TT Elite Series | 2023/08/10 16:45 | Amirreza Abbasi v Jakub Folwarski | L | 3-2 |
| TT Elite Series | 2023/08/10 15:35 | Jakub Folwarski v Damian Wederlich | L | 1-3 |
| TT Elite Series | 2023/08/10 14:25 | Adrian Wiecek v Jakub Folwarski | W | 2-3 |
| TT Elite Series | 2023/08/10 13:15 | Adam Dosz v Jakub Folwarski | W | 2-3 |
| TT Elite Series | 2023/08/10 11:35 | Antoni Witkowski v Jakub Folwarski | L | 3-0 |
| TT Elite Series | 2023/08/11 08:25 | Jakub Kosowski v Adam Dosz | L | 0-3 |
| TT Elite Series | 2023/08/11 06:50 | Jakub Kosowski v Amirreza Abbasi | L | 1-3 |
| TT Elite Series | 2023/08/11 06:00 | Martin Olejnik v Jakub Kosowski | L | 3-1 |
| TT Elite Series | 2023/08/10 16:25 | Miroslav Sklensky v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2023/08/10 15:15 | Jakub Kosowski v Patrik Klos | W | 3-1 |
| TT Elite Series | 2023/08/10 14:05 | Michal Murawski v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2023/08/10 12:55 | Artur Daniel v Jakub Kosowski | L | 3-1 |
| TT Elite Series | 2023/08/10 11:15 | Slawomir Dosz v Jakub Kosowski | W | 1-3 |