| Polish Grand Prix | 2019/11/23 15:21 | Adrian Wiecek v Lukasz Nadolski | W | 3-2 |
| Summer Universiade | 2019/07/09 14:00 | Adrian Wiecek v Esteban Dorr | L | 0-4 |
| Summer Universiade | 2019/07/06 11:57 | Thibaut Darcis v Adrian Wiecek | W | 1-3 |
| Summer Universiade | 2019/07/05 12:51 | Adrian Wiecek v Lars Posch | W | 3-0 |
| Summer Universiade | 2019/07/05 11:18 | Adrian Wiecek v Lionel Weber | L | 2-3 |
| Challenger Ochsenhausen | 2018/11/30 10:50 | Miroslav Horejsi v Adrian Wiecek | L | 3-1 |
| Challenger Ochsenhausen | 2018/11/30 08:50 | Dauud Cheaib v Adrian Wiecek | L | 3-2 |
| Challenger Ochsenhausen | 2018/11/29 12:10 | Adrian Wiecek v Rodrigo Tapia | W | 3-2 |
| Challenger Ochsenhausen | 2020/03/05 17:09 | Taimu Arinobu v Jakub Maslowski | L | 3-0 |
| Challenger Ochsenhausen | 2020/02/23 15:00 | Tomas Lewandoski v Jakub Maslowski | L | 3-1 |
| Challenger Ochsenhausen | 2020/02/06 18:16 | Robert Floras v Jakub Maslowski | L | 2-0 |
| Challenger Ochsenhausen | 2020/02/06 17:30 | Antonin Gavlas v Jakub Maslowski | L | 3-0 |
| Challenger Ochsenhausen | 2019/11/08 16:02 | Jeongwoo Park v Jakub Maslowski | L | 3-0 |
| Challenger Ochsenhausen | 2019/10/25 16:04 | Youngyin Li v Jakub Maslowski | L | 3-0 |
| Challenger Ochsenhausen | 2019/09/26 16:06 | Patrik Hoinovski v Jakub Maslowski | L | 3-0 |
| Czech Extraleague | 2019/03/24 13:02 | Jakub Maslowski v Ihor Zavadskyi | W | 3-1 |