| Challenger Pro League | Partidos | V | E | D |  |
 |
 |
| En casa | 2 | 1 | 1 | - | 3 | - | - |
| Fuera de casa | - | - | - | - | - | - | - |
| Total | 2 | 1 | 1 | - | 3 | - | - |
| Europa League Playoffs | Partidos | V | E | D | |
|
|
| En casa | 1 | - | 1 | - | 1 | - | - |
| Fuera de casa | 2 | 1 | - | 1 | 4 | - | - |
| Total | 3 | 1 | 1 | 1 | 5 | - | - |
| Challenger Pro League | En casa | - | Visitante | |
|
|
Res. |
| 30.08.20 | Union Saint-Gilloise | - | KVC Westerlo | 1 | - | - | 0:0 |
| 25.10.20 | Union Saint-Gilloise | - | Club NXT | 2 | - | - | 6:0 |
| Europa League Playoffs | En casa | - | Visitante | |
|
|
Res. |
| 16.05.17 | KV Mechelen | - | Union Saint-Gilloise | 2 | - | - | 1:0 |
| 02.04.19 | Royal Excel Mouscron | - | Union Saint-Gilloise | 2 | - | - | 0:2 |
| 11.05.19 | Union Saint-Gilloise | - | Royal Excel Mouscron | 1 | - | - | 3:3 |
Bélgica