| DFB-Pokal 2015/2016 - Appearances as Assistant | ||||
| 08/08/2015 | Würzburger Kickers | - | Werder Bremen | 0:2 aet |
| 28/10/2015 | SSV Reutlingen | - | Eintracht Braunschweig | 0:4 |
| DFB-Pokal 2015/2016 - Appearances as Assistant | ||||
| 08/08/2015 | Würzburger Kickers | - | Werder Bremen | 0:2 aet |
| 28/10/2015 | SSV Reutlingen | - | Eintracht Braunschweig | 0:4 |
| Complete name: | Lasse Koslowski |
| Born: | 14/07/1987 |
| Place of birth: |
Berlin, 
Germany |
| Residence: | Berlin |
| Nationality: |
Germany |
| Profession: | selbständig |
| Club: | Frohnauer SC |