| U17 EURO Qualifiers 2022/2023 - Appearances as Assistant | ||||
| 01/11/2022 | Gibraltar | - | Cyprus | 0:2 |
| 07/11/2022 | Cyprus | - | Serbia | 1:3 |
| U17 EURO Qualifiers 2022/2023 - Appearances as Assistant | ||||
| 01/11/2022 | Gibraltar | - | Cyprus | 0:2 |
| 07/11/2022 | Cyprus | - | Serbia | 1:3 |
| Complete name: | Lasse Koslowski |
| Born: | 14/07/1987 |
| Place of birth: |
Berlin, 
Germany |
| Residence: | Berlin |
| Nationality: |
Germany |
| Profession: | selbständig |
| Club: | Frohnauer SC |