| Reserve Pro League | GS. | W | G. | V. | Dp. | |||
| uit | 2 | 0 | 0 | 2 | 2 | : | 8 | |
| ∑ | 2 | 0 | 0 | 2 | 2 | : | 8 | |
| TOTAAL | GS. | W | G. | V. | Dp. | |||
| thuis | 0 | 0 | 0 | 0 | 0 | : | 0 | |
| uit | 2 | 0 | 0 | 2 | 2 | : | 8 | |
| Neutrale plaats | 0 | 0 | 0 | 0 | 0 | : | 0 | |
| ∑ | 2 | 0 | 0 | 2 | 2 | : | 8 | |
| Reserve Pro League | |||||
| 2020/2021 Group 2 | 1. Ronde | Sporting Charleroi II | - | Union Saint-Gilloise II | 5:1 |
| 2019/2020 Group 2 | 14. Ronde | Sporting Charleroi II | - | Union Saint-Gilloise II | 3:1 |
|
Bij wedstrijden met een strafschoppenserie wordt de eindstand van de reguliere speeltijd als resultaat meegeteld. |
België 
![Union Saint-Gilloise [U18]](https://s.hs-data.com/bilder/wappen/mini/45788.gif?fallback=png "Union Saint-Gilloise [U18]"){kind=small}
![Union Saint-Gilloise [U16]](https://s.hs-data.com/bilder/wappen/mini/45791.gif?fallback=png "Union Saint-Gilloise [U16]"){kind=small}
![Union Saint-Gilloise [A-jun]](https://s.hs-data.com/bilder/wappen/mini/45794.gif?fallback=png "Union Saint-Gilloise [A-jun]"){kind=small}
![Union Saint-Gilloise [B-jun]](https://s.hs-data.com/bilder/wappen/mini/62702.gif?fallback=png "Union Saint-Gilloise [B-jun]"){kind=small}
![Union Saint-Gilloise [C-jun]](https://s.hs-data.com/bilder/wappen/mini/62705.gif?fallback=png "Union Saint-Gilloise [C-jun]"){kind=small}