| Challenger Pro League | Matches | W | D | L |  |
 |
 |
| home | 3 | - | 3 | - | 8 | - | - |
| away | 5 | 3 | 1 | 1 | 12 | 3 | - |
| overall | 8 | 3 | 4 | 1 | 20 | 3 | - |
| Challenger Pro League | Home | - | Guest | |
|
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Results |
| 08/10/17 | KSV Roeselare | - | Union Saint-Gilloise | 2 | - | - | 1:0 |
| 25/11/17 | Union Saint-Gilloise | - | Oud-Heverlee Leuven | 5 | - | - | 0:0 |
| 20/01/18 | Union Saint-Gilloise | - | KVC Westerlo | - | - | - | 1:1 |
| 04/11/18 | Union Saint-Gilloise | - | Lommel SK | 3 | - | - | 1:1 |
| 09/12/18 | Lommel SK | - | Union Saint-Gilloise | 4 | 1 | - | 0:2 |
| 13/10/19 | Sporting Lokeren | - | Union Saint-Gilloise | 3 | 1 | - | 1:1 |
| 21/08/20 | SK Deinze | - | Union Saint-Gilloise | 1 | 1 | - | 0:2 |
| 30/01/21 | RWD Molenbeek | - | Union Saint-Gilloise | 2 | - | - | 0:2 |
Belgium