| TT Elite Series | 2022/06/03 07:30 | Pawel Grela v Jakub Kosowski | W | 0-3 |
| Challenger Ochsenhausen | 2019/08/28 06:30 | Jakub Kosowski v Pawel Grela | W | 3-0 |
| Challenger Ochsenhausen | 2019/08/26 06:30 | Jakub Kosowski v Pawel Grela | W | 3-1 |
| Challenger Ochsenhausen | 2019/05/08 06:30 | Jakub Kosowski v Pawel Grela | W | 3-0 |
| Challenger Ochsenhausen | 2019/04/17 12:30 | Pawel Grela v Jakub Kosowski | W | 1-3 |
| Challenger Ochsenhausen | 2019/03/13 07:30 | Jakub Kosowski v Pawel Grela | W | 3-0 |
| Challenger Ochsenhausen | 2018/11/21 10:10 | Jakub Kosowski v Pawel Grela | W | 3-0 |
| TT Elite Series | 2022/11/07 12:30 | Jakub Kosowski v Adrian Wiecek | W | 3-2 |
| TT Elite Series | 2022/11/07 11:00 | Jakub Kosowski v Adam Dosz | L | 0-3 |
| TT Elite Series | 2022/11/07 09:30 | Jakub Kosowski v Vladislav Ursu | L | 0-3 |
| TT Elite Series | 2022/11/07 08:00 | Artur Grela v Jakub Kosowski | L | 3-2 |
| TT Elite Series | 2022/11/07 07:00 | Jakub Kosowski v Tomasz Kotowski | L | 0-3 |
| TT Elite Series | 2022/10/08 20:00 | Kamil Nalepa v Jakub Kosowski | L | 3-0 |
| TT Elite Series | 2022/10/08 19:00 | Michal Malachowski v Jakub Kosowski | L | 3-0 |
| TT Elite Series | 2022/10/08 16:30 | Lukasz Wachowiak v Jakub Kosowski | W | 0-3 |
| TT Elite Series | 2022/11/18 20:00 | Pawel Grela v Damian Wojdyla | L | 0-3 |
| TT Elite Series | 2022/11/18 18:30 | Michal Minda v Pawel Grela | W | 2-3 |
| TT Elite Series | 2022/11/18 17:00 | Mateusz Rutkowski v Pawel Grela | W | 0-3 |
| TT Elite Series | 2022/11/18 15:00 | Josef Braun v Pawel Grela | L | 3-0 |
| TT Elite Series | 2022/11/18 13:30 | Pawel Grela v Adrian Wiecek | L | 0-3 |
| TT Elite Series | 2022/11/18 11:30 | Pawel Grela v Adrian Spychala | L | 0-3 |
| TT Elite Series | 2022/11/18 10:00 | Pawel Grela v Josef Braun | L | 0-3 |
| TT Elite Series | 2022/11/18 08:00 | Pawel Grela v Daniel Lis | L | 0-3 |