| BL NNO | 16/09/17 | FC St. Pauli [Youth B] | - | Werder Bremen [Youth B] | 0:5 | ||||
| BL NNO | 23/02/19 | Niendorfer TSV [Youth] | - | FC St. Pauli [Youth] | 2:3 |
| BL NNO | 16/09/17 | FC St. Pauli [Youth B] | - | Werder Bremen [Youth B] | 0:5 | ||||
| BL NNO | 23/02/19 | Niendorfer TSV [Youth] | - | FC St. Pauli [Youth] | 2:3 |
| Alexander Leonard Hartmann | |
| Born: | 03.01.2001 |
| Place of birth: |
Germany |
| Nationality: |
Germany
|
| Position(s): | Defensive Midfielder Centre Back |