| 3. Liga 2016/2017 - Appearances as Assistant | ||||
| 30/07/2016 | Rot-Weiß Erfurt | - | Hallescher FC | 0:3 |
| 3. Liga 2016/2017 - Appearances as Assistant | ||||
| 30/07/2016 | Rot-Weiß Erfurt | - | Hallescher FC | 0:3 |
| Complete name: | Lasse Koslowski |
| Born: | 14/07/1987 |
| Place of birth: |
Berlin, 
Germany |
| Residence: | Berlin |
| Nationality: |
Germany |
| Profession: | selbständig |
| Club: | Frohnauer SC |