| Challenger Ochsenhausen | 2018/08/01 12:30 | Jakub Kosowski v Adrian Wiecek | W | 3-1 |
| Challenger Ochsenhausen | 2020/09/25 12:50 | Jakub Kosowski v Alberto Mino | L | 1-3 |
| Challenger Ochsenhausen | 2020/09/25 11:35 | Jakub Kosowski v Dauud Cheaib | W | 3-0 |
| Challenger Ochsenhausen | 2020/09/25 10:30 | Jiri Martinko v Jakub Kosowski | W | 1-3 |
| Challenger Ochsenhausen | 2020/09/24 12:30 | Jakub Kosowski v Miroslav Horejsi | L | 0-3 |
| Challenger Ochsenhausen | 2020/09/24 11:10 | Niagol Stoyanov v Jakub Kosowski | W | 2-3 |
| Challenger Ochsenhausen | 2020/09/24 09:10 | Dauud Cheaib v Jakub Kosowski | W | 2-3 |
| Challenger Ochsenhausen | 2020/09/23 13:10 | Alberto Mino v Jakub Kosowski | W | 2-3 |
| Challenger Ochsenhausen | 2020/09/23 09:50 | Mihai Bobocica v Jakub Kosowski | L | 3-2 |
| TT Elite Series | 2022/04/16 12:30 | Adrian Wiecek v Artur Grela | W | 3-2 |
| TT Elite Series | 2022/04/16 10:30 | Adrian Wiecek v Tomasz Urbanski | W | 3-1 |
| TT Elite Series | 2022/04/16 09:00 | Adrian Wiecek v Jakub Maslowski | W | 3-2 |
| TT Elite Series | 2022/04/16 07:00 | Adrian Wiecek v Artur Bialek | W | 3-2 |
| TT Elite Series | 2022/04/16 05:30 | Adrian Wiecek v Tomasz Tomaszuk | L | 1-3 |
| TT Elite Series | 2022/04/15 20:00 | Artur Grela v Adrian Wiecek | L | 3-1 |
| TT Elite Series | 2022/04/15 19:00 | Martin Olejnik v Adrian Wiecek | W | 0-3 |
| TT Elite Series | 2022/04/15 16:30 | Josef Braun v Adrian Wiecek | W | 1-3 |