| 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 | 2018/11/29 08:50 | Adrian Wiecek v Sven Happek | W | 3-0 |
| Challenger Ochsenhausen | 2018/11/29 07:30 | Enio Mendes v Adrian Wiecek | L | 3-2 |
| Challenger Ochsenhausen | 2018/11/28 11:30 | Aleksandar Karakasevic v Adrian Wiecek | L | 3-0 |
| Challenger Ochsenhausen | 2018/11/28 08:50 | Fedor Kuzmin v Adrian Wiecek | L | 3-0 |
| Summer Universiade | 2019/07/05 10:43 | Jakub Folwarski v Lars Posch | L | 3-1 |
| Euro Champs Team Quals | 2019/05/18 12:00 | Jonathan Groth v Lars Posch | L | 3-1 |
| Slovenia Open | 2019/05/09 13:30 | Yi-Hsin Feng v Lars Posch | L | 3-1 |
| Slovenia Open | 2019/05/08 11:00 | Lars Posch v Miha Grampovcnik | W | 3-0 |
| Czech Republic Extraleague | 2019/02/13 11:20 | Lars Posch v Peng Xiang | L | 0-4 |
| Qatar Open XD | 2018/04/11 07:00 | Andreas Dilling v Lars Posch | L | 3-1 |
| Qatar Open XD | 2018/04/10 07:00 | Narayan Kapolnek v Lars Posch | L | 3-0 |
| Challenger Ochsenhausen | 2017/10/13 09:10 | Fedor Kuzmin v Lars Posch | L | 3-0 |