| Champ. | 09/06/13 | Hertha BSC [Youth B] | - | FC Schalke 04 [Youth B] | 2:2 | ||||
| BL NNO | 25/08/13 | Rot-Weiß Erfurt [Youth] | - | Hertha BSC [Youth] | 0:2 |
| Champ. | 09/06/13 | Hertha BSC [Youth B] | - | FC Schalke 04 [Youth B] | 2:2 | ||||
| BL NNO | 25/08/13 | Rot-Weiß Erfurt [Youth] | - | Hertha BSC [Youth] | 0:2 |
| Leo-Jonathan Teßmann | |
| Born: | 23.08.1996 |
| Place of birth: |
Berlin, 
Germany |
| Nationality: |
Germany
|
| Height: | 181 cm |
| Position(s): | Defensive Midfielder |
| Foot: | both |