| Saudi Pro League 2023/2024 - Appearances as Assistant | ||||
| 29/09/2023 | Al Fayha | - | Al Ittihad | 0:0 |
| 05/04/2024 | Al Khaleej | - | Al Hilal | 1:4 |
| Saudi Pro League 2023/2024 - Appearances as Assistant | ||||
| 29/09/2023 | Al Fayha | - | Al Ittihad | 0:0 |
| 05/04/2024 | Al Khaleej | - | Al Hilal | 1:4 |
| Complete name: | Lasse Koslowski |
| Born: | 14/07/1987 |
| Place of birth: |
Berlin, 
Germany |
| Residence: | Berlin |
| Nationality: |
Germany |
| Profession: | selbständig |
| Club: | Frohnauer SC |