| 5. Round | 06/09/2022 | St. Eloois-Winkel Sport | - | RFC Seraing | 0:2 |  |
|||
| 6. Round | 08/11/2022 | RFC Seraing | - | Sporting Charleroi | 4:1 aet | ||||
| Round of 16 | 20/12/2022 | KV Mechelen | - | RFC Seraing | 1:0 |
| 5. Round | 06/09/2022 | St. Eloois-Winkel Sport | - | RFC Seraing | 0:2 | |
|||
| 6. Round | 08/11/2022 | RFC Seraing | - | Sporting Charleroi | 4:1 aet | ||||
| Round of 16 | 20/12/2022 | KV Mechelen | - | RFC Seraing | 1:0 |
| Mathieu Joseph Cachbach | |
| Born: | 23.05.2001 |
| Place of birth: |
Arlon, 
Belgium |
| Nationality: |
Belgium
|
| Height: | 181 cm |
| Weight: | 72 kg |
| Position(s): | Central Midfielder Offensive Midfielder |
| Foot: | left |