| 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 |
| Challenger - Ochsenhausen | 2018/08/01 09:10 | Tomasz Tomaszuk v Jakub Kosowski | W | 0-3 |
| Challenger - Ochsenhausen | 2018/04/18 07:10 | Tomasz Tomaszuk v Jakub Kosowski | W | 1-3 |
| Challenger - Ochsenhausen | 2018/04/16 06:30 | Jakub Kosowski v Tomasz Tomaszuk | W | 3-1 |
| TT Elite Series | 2022/06/10 08:30 | Jakub Kosowski v Michal Malachowski | W | 3-1 |
| TT Elite Series | 2022/06/10 07:00 | Vladislav Ursu v Jakub Kosowski | L | 3-2 |
| TT Elite Series | 2022/06/10 06:00 | Jakub Kosowski v Adam Dudzicz | W | 3-1 |
| TT Elite Series | 2022/06/04 19:30 | Nestor Wasylkowski v Jakub Kosowski | W | 2-3 |
| TT Elite Series | 2022/06/04 18:30 | Patryk Dziuba v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2022/06/04 17:30 | Jakub Kosowski v Piotr Chodorski | L | 0-3 |
| TT Elite Series | 2022/06/04 15:30 | Jakub Kosowski v Michal Malachowski | L | 0-3 |
| TT Elite Series | 2022/06/04 14:30 | Tomasz Kotowski v Jakub Kosowski | W | 1-3 |
| TT Elite Series | 2022/06/10 09:00 | Vladislav Ursu v Tomasz Tomaszuk | L | 3-2 |
| TT Elite Series | 2022/06/10 08:00 | Tomasz Tomaszuk v Adam Dudzicz | L | 2-3 |
| TT Elite Series | 2022/06/10 06:30 | Tomasz Tomaszuk v Nestor Wasylkowski | W | 3-1 |
| TT Elite Series | 2022/06/09 20:00 | Tomasz Tomaszuk v Bartosz Czerwinski | L | 2-3 |
| TT Elite Series | 2022/06/09 18:00 | Artur Grela v Tomasz Tomaszuk | L | 3-1 |
| TT Elite Series | 2022/06/09 17:00 | Tomasz Kotowski v Tomasz Tomaszuk | W | 1-3 |
| TT Elite Series | 2022/06/09 16:00 | Tomasz Tomaszuk v Vladislav Ursu | L | 0-3 |
| TT Elite Series | 2022/06/09 14:30 | Tomasz Tomaszuk v Michal Malachowski | L | 2-3 |