| 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 | 2022/04/01 09:45 | Adrian Wiecek v Oleksandr Tymofieiev | W | 3-2 |
| TT Star Series | 2022/04/01 07:10 | Jiri Martinko v Adrian Wiecek | L | 3-0 |
| TT Star Series | 2022/03/31 13:45 | David Prusa v Adrian Wiecek | W | 1-3 |
| TT Star Series | 2022/03/31 11:15 | Miroslav Horejsi v Adrian Wiecek | L | 3-1 |
| TT Star Series | 2022/03/31 08:45 | Jakub Seibert v Adrian Wiecek | W | 2-3 |
| TT Elite Series | 2022/03/30 11:30 | Adrian Wiecek v Daniel Lis | W | 3-2 |
| TT Elite Series | 2022/03/30 10:00 | Adrian Wiecek v Jakub Chojnacki | W | 3-0 |
| TT Elite Series | 2022/03/30 08:30 | Adrian Wiecek v Rodrigo Tapia | W | 3-2 |