| 1. Round | 13/08/2023 | FC-Astoria Walldorf | - | 1. FC Union Berlin | 0:4 | ||||
| 2. Round | 31/10/2023 | VfB Stuttgart | - | 1. FC Union Berlin | 1:0 |
| 1. Round | 13/08/2023 | FC-Astoria Walldorf | - | 1. FC Union Berlin | 0:4 | ||||
| 2. Round | 31/10/2023 | VfB Stuttgart | - | 1. FC Union Berlin | 1:0 |
| Jérôme Xavier Roussillon | |
| Born: | 06.01.1993 |
| Place of birth: |
Sarcelles, 
France |
| Nationality: |
Guadeloupe
France |
| Height: | 172 cm |
| Weight: | 87 kg |
| Position(s): | Left Back Left Midfielder |
| Foot: | left |