| Republica Ceha - Extraleague | 2019/02/13 11:20 | Lars Posch v Peng Xiang | L | 0-4 |
| Qatar Open - Dublu Mixt | 2018/04/11 07:00 | Andreas Dilling v Lars Posch | L | 3-1 |
| Qatar Open - Dublu Mixt | 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 |
| Challenger - Ochsenhausen | 2017/10/13 07:10 | Eduardo Gonzales v Lars Posch | W | 0-3 |
| Challenger - Ochsenhausen | 2017/10/12 11:50 | Gleb Shamruk v Lars Posch | L | 3-0 |
| Challenger - Ochsenhausen | 2017/10/12 09:10 | Lars Posch v Emil Santos | L | 1-3 |
| Challenger - Ochsenhausen | 2017/10/12 06:30 | Lars Posch v Michal Kadlcek | L | 0-3 |