| TT Elite Series | 2022/06/11 10:00 | Jakub Kosowski v Tomasz Tomaszuk | W | 3-1 |
| TT Elite Series | 2022/06/10 20:30 | Tomasz Tomaszuk v Jakub Kosowski | L | 3-1 |
| TT Elite Series | 2022/06/10 10:00 | Jakub Kosowski v Tomasz Tomaszuk | W | 3-0 |
| Challenger - Ochsenhausen | 2019/11/06 08:10 | Jakub Kosowski v Tomasz Tomaszuk | W | 3-0 |
| Challenger - Ochsenhausen | 2019/07/31 07:10 | Jakub Kosowski v Tomasz Tomaszuk | W | 3-1 |
| Challenger - Ochsenhausen | 2019/07/29 07:50 | Tomasz Tomaszuk v Jakub Kosowski | W | 2-3 |
| Challenger - Ochsenhausen | 2018/10/24 06:30 | Tomasz Tomaszuk v Jakub Kosowski | W | 2-3 |
| Challenger - Ochsenhausen | 2018/10/22 09:10 | Tomasz Tomaszuk v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2022/06/13 06:30 | Piotr Chlodnicki v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2022/06/12 11:30 | Michal Krzyzanowski v Jakub Kosowski | W | 1-3 |
| TT Elite Series | 2022/06/12 10:30 | Adam Dudzicz v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2022/06/12 09:30 | Jakub Kosowski v Vladislav Ursu | L | 1-3 |
| TT Elite Series | 2022/06/12 07:30 | Jakub Kosowski v Slawomir Dosz | W | 3-2 |
| TT Elite Series | 2022/06/12 06:30 | Michal Galas v Jakub Kosowski | W | 2-3 |
| TT Elite Series | 2022/06/11 19:30 | Slawomir Dosz v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2022/06/11 18:30 | Bartosz Czerwinski v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2022/06/13 05:30 | Piotr Cyrnek v Tomasz Tomaszuk | L | 3-0 |
| TT Elite Series | 2022/06/11 12:00 | Tomasz Tomaszuk v Slawomir Dosz | L | 0-3 |
| TT Elite Series | 2022/06/11 10:00 | Jakub Kosowski v Tomasz Tomaszuk | L | 3-1 |
| TT Elite Series | 2022/06/11 09:00 | Vladislav Ursu v Tomasz Tomaszuk | L | 3-0 |
| TT Elite Series | 2022/06/11 08:00 | Tomasz Tomaszuk v Adam Dudzicz | L | 2-3 |
| TT Elite Series | 2022/06/11 06:30 | Tomasz Tomaszuk v Nestor Wasylkowski | L | 0-3 |
| TT Elite Series | 2022/06/10 20:30 | Tomasz Tomaszuk v Jakub Kosowski | W | 3-1 |
| TT Elite Series | 2022/06/10 18:30 | Tomasz Tomaszuk v Vladislav Ursu | L | 0-3 |