| DFB-Pokal 2014/2015 - Appearances as Assistant | ||||
| 16/08/2014 | Sportfreunde Siegen | - | FSV Frankfurt | 4:5 pso |
| DFB-Pokal 2014/2015 - Appearances as Assistant | ||||
| 16/08/2014 | Sportfreunde Siegen | - | FSV Frankfurt | 4:5 pso |
| Complete name: | Lasse Koslowski |
| Born: | 14/07/1987 |
| Place of birth: |
Berlin, 
Germany |
| Residence: | Berlin |
| Nationality: |
Germany |
| Profession: | selbständig |
| Club: | Frohnauer SC |