| TT Elite Series | 2022/06/03 07:30 | Pawel Grela v Jakub Kosowski | L | 0-3 |
| Challenger Ochsenhausen | 2019/08/28 06:30 | Jakub Kosowski v Pawel Grela | L | 3-0 |
| Challenger Ochsenhausen | 2019/08/26 06:30 | Jakub Kosowski v Pawel Grela | L | 3-1 |
| Challenger Ochsenhausen | 2019/05/08 06:30 | Jakub Kosowski v Pawel Grela | L | 3-0 |
| Challenger Ochsenhausen | 2019/04/17 12:30 | Pawel Grela v Jakub Kosowski | L | 1-3 |
| Challenger Ochsenhausen | 2019/03/13 07:30 | Jakub Kosowski v Pawel Grela | L | 3-0 |
| Challenger Ochsenhausen | 2018/11/21 10:10 | Jakub Kosowski v Pawel Grela | L | 3-0 |