| 4. Round | 03/09/2017 | AFC Tubize | - | Union Saint-Gilloise | 0:0 | ||||
| 5. Round | 09/09/2017 | Union Saint-Gilloise | - | KSV Roeselare | 4:0 | ||||
| 6. Round | 15/09/2017 | Union Saint-Gilloise | - | Oud-Heverlee Leuven | 0:0 | ||||
| 7. Round | 23/09/2017 | Lierse SK (old) | - | Union Saint-Gilloise | 2:1 |  |
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| 8. Round | 29/09/2017 | Union Saint-Gilloise | - | Cercle Brugge | 1:2 | ||||
| 9. Round | 04/10/2017 | KVC Westerlo | - | Union Saint-Gilloise | 0:3 | |
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| 10. Round | 08/10/2017 | KSV Roeselare | - | Union Saint-Gilloise | 1:0 | ||||
| 13. Round | 28/10/2017 | Oud-Heverlee Leuven | - | Union Saint-Gilloise | 1:0 | ||||
| 14. Round | 05/11/2017 | Union Saint-Gilloise | - | KFCO Beerschot Wilrijk | 0:3 |
Congo DR