| 4. Round | 17/09/2023 | 1. FC Heidenheim 1846 | - | Werder Bremen | 4:2 | ||||
| 6. Round | 30/09/2023 | 1. FC Heidenheim 1846 | - | 1. FC Union Berlin | 1:0 |
| 4. Round | 17/09/2023 | 1. FC Heidenheim 1846 | - | Werder Bremen | 4:2 | ||||
| 6. Round | 30/09/2023 | 1. FC Heidenheim 1846 | - | 1. FC Union Berlin | 1:0 |
| Thomas Leon Keller | |
| Born: | 05.08.1999 |
| Place of birth: |
München, 
Germany |
| Nationality: |
Germany
|
| Height: | 186 cm |
| Weight: | 82 kg |
| Position(s): | Centre Back Defensive Midfielder |
| Foot: | right |