| 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 | 2022/03/21 04:30 | Adrian Wiecek v Marcin Jadczyk | W | 3-2 |
| TT Elite Series | 2022/03/21 03:00 | Adrian Wiecek v Milosz Przybylik | W | 3-2 |
| TT Elite Series | 2022/03/21 01:30 | Adrian Wiecek v Mateusz Selerski | W | 3-0 |
| TT Elite Series | 2022/03/21 00:00 | Przemyslaw Walaszek v Adrian Wiecek | W | 0-3 |
| TT Elite Series | 2022/03/20 22:55 | Adrian Wiecek v Grzegorz Felkel | W | 3-1 |
| TT Elite Series | 2022/03/20 21:30 | Artur Daniel v Adrian Wiecek | L | 3-1 |
| TT Elite Series | 2022/03/20 20:00 | Adrian Wiecek v Bartosz Czerwinski | W | 3-0 |
| TT Elite Series | 2022/03/20 18:30 | Adam Dudzicz v Adrian Wiecek | W | 0-3 |