| Youth Youth League 2023/2024 - Appearances as Assistant | ||||
| 19/09/2023 | AC Milan | - | Newcastle United | 4:0 |
| 22/11/2023 | HJK Helsinki | - | FC Nantes | 3:4 pso |
| Youth Youth League 2023/2024 - Appearances as Assistant | ||||
| 19/09/2023 | AC Milan | - | Newcastle United | 4:0 |
| 22/11/2023 | HJK Helsinki | - | FC Nantes | 3:4 pso |
| Complete name: | Mattias Hartl |
| Born: | |
| Place of birth: |
Austria |
| Nationality: |
Austria |