| 1. Round | 11/11/2017 | KVC Westerlo | - | Union Saint-Gilloise | 0:1 |  |
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| 2. Round | 19/11/2017 | Union Saint-Gilloise | - | AFC Tubize | 1:1 | |
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| 4. Round | 02/12/2017 | Cercle Brugge | - | Union Saint-Gilloise | 2:2 |  |
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| 5. Round | 09/12/2017 | Union Saint-Gilloise | - | Lierse SK (old) | 1:0 | ||||
| 6. Round | 16/12/2017 | KFCO Beerschot Wilrijk | - | Union Saint-Gilloise | 2:1 | ||||
| 7. Round | 07/01/2018 | Union Saint-Gilloise | - | KSV Roeselare | 1:2 | ||||
| 8. Round | 14/01/2018 | Oud-Heverlee Leuven | - | Union Saint-Gilloise | 3:1 | ||||
| 9. Round | 20/01/2018 | Union Saint-Gilloise | - | KVC Westerlo | 1:1 | ||||
| 10. Round | 28/01/2018 | Lierse SK (old) | - | Union Saint-Gilloise | 1:0 | ||||
| 11. Round | 04/02/2018 | Union Saint-Gilloise | - | KFCO Beerschot Wilrijk | 1:0 | ||||
| 12. Round | 10/02/2018 | KSV Roeselare | - | Union Saint-Gilloise | 1:4 | ||||
| 13. Round | 17/02/2018 | Union Saint-Gilloise | - | Cercle Brugge | 1:1 |
France