| DFB-Pokal 2017/2018 - Appearances as Referee |  |
 |
 |
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| 13/08/2017 | Eintracht Norderstedt | - | VfL Wolfsburg | 0:1 | 5 | - | - |
| DFB-Pokal 2017/2018 - Appearances as Referee | |
|
|
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| 13/08/2017 | Eintracht Norderstedt | - | VfL Wolfsburg | 0:1 | 5 | - | - |
| Complete name: | Lasse Koslowski |
| Born: | 14/07/1987 |
| Place of birth: |
Berlin, 
Germany |
| Residence: | Berlin |
| Nationality: |
Germany |
| Profession: | selbständig |
| Club: | Frohnauer SC |