| 4. Round | 19/08/2023 | KV Mechelen | - | Union Saint-Gilloise | 4:0 | ||||
| 6. Round | 03/09/2023 | Union Saint-Gilloise | - | Royal Antwerp FC | 2:2 | ||||
| 7. Round | 16/09/2023 | Union Saint-Gilloise | - | KRC Genk | 0:2 | ||||
| 9. Round | 01/10/2023 | Union Saint-Gilloise | - | Sporting Charleroi | 3:1 | ||||
| 10. Round | 08/10/2023 | Sint-Truidense VV | - | Union Saint-Gilloise | 0:4 | ||||
| 14. Round | 12/11/2023 | Union Saint-Gilloise | - | KV Kortrijk | 3:0 | ||||
| 21. Round | 21/01/2024 | Union Saint-Gilloise | - | Sint-Truidense VV | 2:1 | ||||
| 23. Round | 31/01/2024 | Union Saint-Gilloise | - | RWD Molenbeek | 3:2 | ||||
| 26. Round | 18/02/2024 | KV Kortrijk | - | Union Saint-Gilloise | 1:3 | ||||
| 27. Round | 25/02/2024 | Union Saint-Gilloise | - | Standard Liège | 2:1 | ||||
| 28. Round | 02/03/2024 | Oud-Heverlee Leuven | - | Union Saint-Gilloise | 0:2 |  |
|||
| 29. Round | 10/03/2024 | Union Saint-Gilloise | - | KAA Gent | 1:1 |
Germany
Eritrea