| Oman Open U21 - Dames | 2020/02/12 10:35 | Lars Posch v Artur Grela | L | 2-3 |
| German Open | 2020/01/28 15:45 | Lars Posch v Frane Kojic | L | 2-4 |
| Polish Open | 2019/10/16 16:15 | Lars Posch v Slawomir Dosz | L | 2-3 |
| Summer Universiade | 2019/07/05 12:51 | Adrian Wiecek v Lars Posch | 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 |