| 2. Round | 19/08/2023 | SK Deinze | - | KV Oostende | 1:0 |  |
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| 3. Round | 27/08/2023 | RFC Liège | - | KV Oostende | 2:0 | |
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| 4. Round | 02/09/2023 | KV Oostende | - | RFC Seraing | 1:1 | |
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| 11. Round | 03/11/2023 | SV Zulte Waregem | - | KV Oostende | 0:1 | ||||
| 12. Round | 11/11/2023 | KV Oostende | - | Royal Francs Borains | 1:0 | |
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| 13. Round | 25/11/2023 | Club NXT | - | KV Oostende | 3:3 | ||||
| 14. Round | 03/12/2023 | KV Oostende | - | Lierse Kempenzonen | 0:1 | ||||
| 23. Round | 24/02/2024 | KV Oostende | - | Club NXT | 1:4 | ||||
| 24. Round | 03/03/2024 | SK Beveren | - | KV Oostende | 2:3 | ||||
| 26. Round | 16/03/2024 | KRC Genk II | - | KV Oostende | 3:1 | |
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| 29. Round | 14/04/2024 | Patro Eisden MM | - | KV Oostende | 2:3 |  |
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| 30. Round | 19/04/2024 | KV Oostende | - | Standard Liège II | 2:1 |
France
Congo DR