| 4. Jornada | 10.09.2022 | KAS Eupen [Sub 18] | - | KV Mechelen [Sub 18] | 1:3 |  |
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| 8. Jornada | 15.10.2022 | RSC Anderlecht [Sub 18] | - | KV Mechelen [Sub 18] | 2:2 | ||||
| 12. Jornada | 19.11.2022 | Royal Antwerp FC [Sub 18] | - | KV Mechelen [Sub 18] | 0:0 | ||||
| 13. Jornada | 26.11.2022 | KV Mechelen [Sub 18] | - | SV Zulte Waregem [Sub 18] | 2:1 | ||||
| 15. Jornada | 14.01.2023 | KV Mechelen [Sub 18] | - | KAS Eupen [Sub 18] | 4:0 | ||||
| 16. Jornada | 21.01.2023 | KAA Gent [Sub 18] | - | KV Mechelen [Sub 18] | 3:1 | ||||
| 17. Jornada | 28.01.2023 | KV Mechelen [Sub 18] | - | RSC Anderlecht [Sub 18] | 0:3 | ||||
| 18. Jornada | 04.02.2023 | Oud-Heverlee Leuven [Sub 18] | - | KV Mechelen [Sub 18] | 2:2 | ||||
| 19. Jornada | 11.02.2023 | KV Mechelen [Sub 18] | - | Club Brugge KV [Sub 18] | 3:4 |
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