| Challenger Pro League | Matches | W | D | L |  |
 |
 |
| home | 5 | 3 | - | 2 | 10 | - | 1 |
| away | 4 | 4 | - | - | 15 | - | - |
| overall | 9 | 7 | - | 2 | 25 | - | 1 |
| Beker van België | Matches | W | D | L | |
|
|
| home | 1 | 1 | - | - | 3 | - | - |
| away | - | - | - | - | - | - | - |
| overall | 1 | 1 | - | - | 3 | - | - |
| Challenger Pro League | Home | - | Guest | |
|
|
Results |
| 12/08/18 | Union Saint-Gilloise | - | Oud-Heverlee Leuven | 1 | - | - | 1:2 |
| 07/10/18 | Union Saint-Gilloise | - | KVC Westerlo | 2 | - | - | 2:0 |
| 16/11/18 | Oud-Heverlee Leuven | - | Union Saint-Gilloise | 3 | - | - | 1:2 |
| 06/02/19 | Union Saint-Gilloise | - | Lommel SK | 2 | - | - | 1:0 |
| 10/08/19 | Excelsior Virton | - | Union Saint-Gilloise | 4 | - | - | 0:1 |
| 01/12/19 | Union Saint-Gilloise | - | K Beerschot VA | 3 | - | 1 | 0:2 |
| 01/02/20 | Sporting Lokeren | - | Union Saint-Gilloise | 5 | - | - | 0:2 |
| 23/01/21 | SK Deinze | - | Union Saint-Gilloise | 3 | - | - | 2:4 |
| 13/03/21 | Union Saint-Gilloise | - | RWD Molenbeek | 2 | - | - | 2:1 |
| Beker van België | Home | - | Guest | |
|
|
Results |
| 25/09/19 | Union Saint-Gilloise | - | Royal Cercle Sportif de Verlaine | 3 | - | - | 3:0 |
Belgium