| 1. Round | 03/08/2018 | Lommel SK | - | Union Saint-Gilloise | 1:0 | ||||
| 2. Round | 12/08/2018 | Union Saint-Gilloise | - | Oud-Heverlee Leuven | 1:2 |  |
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| 3. Round | 18/08/2018 | KVC Westerlo | - | Union Saint-Gilloise | 1:3 | |
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| 4. Round | 31/08/2018 | KFCO Beerschot Wilrijk | - | Union Saint-Gilloise | 1:0 | ||||
| 5. Round | 09/09/2018 | Union Saint-Gilloise | - | KV Mechelen | 2:2 | |
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| 6. Round | 15/09/2018 | Union Saint-Gilloise | - | KSV Roeselare | 2:0 | |
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| 7. Round | 21/09/2018 | AFC Tubize | - | Union Saint-Gilloise | 0:2 | |
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| 8. Round | 30/09/2018 | Oud-Heverlee Leuven | - | Union Saint-Gilloise | 1:3 | |
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| 9. Round | 07/10/2018 | Union Saint-Gilloise | - | KVC Westerlo | 2:0 | ||||
| 11. Round | 20/10/2018 | KSV Roeselare | - | Union Saint-Gilloise | 1:1 | |
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| 12. Round | 27/10/2018 | Union Saint-Gilloise | - | AFC Tubize | 3:2 | |
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| 10. Round | 30/10/2018 | Union Saint-Gilloise | - | KFCO Beerschot Wilrijk | 2:0 | ||||
| 13. Round | 04/11/2018 | Union Saint-Gilloise | - | Lommel SK | 1:1 | ||||
| 14. Round | 09/11/2018 | KV Mechelen | - | Union Saint-Gilloise | 2:1 |
France