| 1. Jornada | 02.09.2023 | SV Zulte Waregem [Sub 18] | - | KV Mechelen [Sub 18] | 3:2 |  |
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| 2. Jornada | 16.09.2023 | KV Mechelen [Sub 18] | - | Royal Antwerp FC [Sub 18] | 0:2 | ||||
| 3. Jornada | 23.09.2023 | KV Mechelen [Sub 18] | - | Standard Liège [Sub 18] | 1:3 | |
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| 4. Jornada | 30.09.2023 | Club Brugge KV [Sub 18] | - | KV Mechelen [Sub 18] | 1:1 | ||||
| 5. Jornada | 07.10.2023 | KAA Gent [Sub 18] | - | KV Mechelen [Sub 18] | 8:1 | |
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| 7. Jornada | 28.10.2023 | Sporting Charleroi [Sub 18] | - | KV Mechelen [Sub 18] | 3:1 | ||||
| 8. Jornada | 11.11.2023 | KV Mechelen [Sub 18] | - | Oud-Heverlee Leuven [Sub 18] | 1:2 | |
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| 9. Jornada | 25.11.2023 | RSC Anderlecht [Sub 18] | - | KV Mechelen [Sub 18] | 3:0 | ||||
| 10. Jornada | 02.12.2023 | KV Mechelen [Sub 18] | - | SV Zulte Waregem [Sub 18] | 2:5 | ||||
| 11. Jornada | 13.01.2024 | Standard Liège [Sub 18] | - | KV Mechelen [Sub 18] | 2:0 | ||||
| 13. Jornada | 27.01.2024 | KV Mechelen [Sub 18] | - | Club Brugge KV [Sub 18] | 1:4 | ||||
| 14. Jornada | 03.02.2024 | Royal Antwerp FC [Sub 18] | - | KV Mechelen [Sub 18] | 4:2 | |
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| 16. Jornada | 24.02.2024 | KV Mechelen [Sub 18] | - | Sporting Charleroi [Sub 18] | 2:1 |
Bélgica