| 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 Star Series | 2022/03/11 11:15 | Adrian Wiecek v Miroslav Sklensky | L | 1-3 |
| TT Star Series | 2022/03/11 09:15 | Adrian Wiecek v Thomas Keinath | L | 0-3 |
| TT Star Series | 2022/03/11 07:00 | Adrian Wiecek v Josef Braun | W | 3-0 |
| TT Star Series | 2022/03/10 13:15 | Adrian Wiecek v Petr Husnik | L | 2-3 |
| TT Star Series | 2022/03/10 11:45 | Adrian Wiecek v Tibor Spanik | L | 1-3 |
| TT Star Series | 2022/03/10 09:15 | Michal Bankosz v Adrian Wiecek | L | 3-1 |
| TT Star Series | 2022/03/10 07:35 | Adrian Wiecek v Miroslav Horejsi | L | 0-3 |
| TT Star Series | 2022/01/25 12:15 | Jakub Seibert v Adrian Wiecek | W | 0-3 |