| 1. Round | 23/07/2022 | Sint-Truidense VV | - | Union Saint-Gilloise | 1:1 | ||||
| 5. Round | 31/08/2022 | Royal Antwerp FC | - | Union Saint-Gilloise | 4:2 |  |
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| 7. Round | 04/09/2022 | SV Zulte Waregem | - | Union Saint-Gilloise | 1:3 | |
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| 8. Round | 11/09/2022 | Union Saint-Gilloise | - | KRC Genk | 1:2 | ||||
| 17. Round | 13/11/2022 | Standard Liège | - | Union Saint-Gilloise | 2:3 | ||||
| 18. Round | 26/12/2022 | Union Saint-Gilloise | - | KV Oostende | 3:0 | ||||
| 20. Round | 15/01/2023 | Union Saint-Gilloise | - | Royal Antwerp FC | 2:0 | ||||
| 33. Round | 16/04/2023 | Union Saint-Gilloise | - | RFC Seraing | 2:1 |
Germany
Spain