| BL NNO | 18/02/18 | Holstein Kiel [Youth] | - | FC St. Pauli [Youth] | 1:2 | ||||
| BL NNO | 02/11/19 | Holstein Kiel [Youth] | - | FC St. Pauli [Youth] | 2:2 |
| BL NNO | 18/02/18 | Holstein Kiel [Youth] | - | FC St. Pauli [Youth] | 1:2 | ||||
| BL NNO | 02/11/19 | Holstein Kiel [Youth] | - | FC St. Pauli [Youth] | 2:2 |
| Leon Maximilian Flach | |
| Born: | 28.02.2001 |
| Place of birth: |
Humble, TX, 
USA |
| Nationality: |
USA
Germany |
| Height: | 183 cm |
| Position(s): | Defensive Midfielder Central Midfielder |
| Foot: | left |