| 5. Round | 17/09/2022 | KV Mechelen [U18] | - | Oud-Heverlee Leuven [U18] | 2:0 | ||||
| 6. Round | 01/10/2022 | Club Brugge KV [U18] | - | KV Mechelen [U18] | 3:3 | ||||
| 7. Round | 08/10/2022 | KV Mechelen [U18] | - | Standard Liège [U18] | 7:1 |  |
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| 8. Round | 15/10/2022 | RSC Anderlecht [U18] | - | KV Mechelen [U18] | 2:2 |  |
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| 10. Round | 29/10/2022 | KV Mechelen [U18] | - | KVC Westerlo [U18] | 0:1 | ||||
| 11. Round | 05/11/2022 | Sporting Charleroi [U18] | - | KV Mechelen [U18] | 1:4 | ||||
| 12. Round | 19/11/2022 | Royal Antwerp FC [U18] | - | KV Mechelen [U18] | 0:0 | |
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| 14. Round | 03/12/2022 | Standard Liège [U18] | - | KV Mechelen [U18] | 4:3 | ||||
| 15. Round | 14/01/2023 | KV Mechelen [U18] | - | KAS Eupen [U18] | 4:0 | ||||
| 16. Round | 21/01/2023 | KAA Gent [U18] | - | KV Mechelen [U18] | 3:1 | |
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| 17. Round | 28/01/2023 | KV Mechelen [U18] | - | RSC Anderlecht [U18] | 0:3 | ||||
| 18. Round | 04/02/2023 | Oud-Heverlee Leuven [U18] | - | KV Mechelen [U18] | 2:2 | ||||
| 19. Round | 11/02/2023 | KV Mechelen [U18] | - | Club Brugge KV [U18] | 3:4 | ||||
| 20. Round | 25/02/2023 | KRC Genk [U18] | - | KV Mechelen [U18] | 3:0 | ||||
| 21. Round | 04/03/2023 | KVC Westerlo [U18] | - | KV Mechelen [U18] | 3:3 | |
Belgium