| 1. Round | 29/07/2023 | KAS Eupen | - | KVC Westerlo | 2:2 | ||||
| 2. Round | 06/08/2023 | KVC Westerlo | - | Club Brugge KV | 0:1 | ||||
| 6. Round | 02/09/2023 | Cercle Brugge | - | KVC Westerlo | 2:1 | ||||
| 7. Round | 15/09/2023 | KVC Westerlo | - | Royal Antwerp FC | 0:3 | ||||
| 8. Round | 22/09/2023 | Standard Liège | - | KVC Westerlo | 0:0 | ||||
| 9. Round | 01/10/2023 | KRC Genk | - | KVC Westerlo | 3:3 | ||||
| 12. Round | 29/10/2023 | KVC Westerlo | - | Union Saint-Gilloise | 1:3 | ||||
| 17. Round | 08/12/2023 | KV Kortrijk | - | KVC Westerlo | 1:2 |  |
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| 18. Round | 15/12/2023 | KVC Westerlo | - | KAS Eupen | 2:0 | ||||
| 19. Round | 23/12/2023 | Royal Antwerp FC | - | KVC Westerlo | 2:2 | ||||
| 20. Round | 26/12/2023 | KVC Westerlo | - | RWD Molenbeek | 3:0 | ||||
| 27. Round | 24/02/2024 | Sint-Truidense VV | - | KVC Westerlo | 1:0 | ||||
| 28. Round | 01/03/2024 | KVC Westerlo | - | Sporting Charleroi | 0:1 | ||||
| 29. Round | 08/03/2024 | KV Mechelen | - | KVC Westerlo | 3:1 | ||||
| 30. Round | 17/03/2024 | KVC Westerlo | - | KRC Genk | 1:1 |
Belgium