| 1. Round | 12/08/2023 | Næsby BK [Youth B] | - | Næstved BK [Youth B] | 2:1 | ||||
| 3. Round | 27/08/2023 | SfB-Oure FA [Youth B] | - | Næstved BK [Youth B] | 3:2 |  |
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| 4. Round | 02/09/2023 | Næstved BK [Youth B] | - | Kolding IF [Youth B] | 4:1 | |
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| 5. Round | 09/09/2023 | Hvidovre IF [Youth B] | - | Næstved BK [Youth B] | 6:4 pso | ||||
| 6. Round | 16/09/2023 | Næstved BK [Youth B] | - | Hobro IK [Youth B] | 11:12 pso | ||||
| 7. Round | 23/09/2023 | Næstved BK [Youth B] | - | Viborg FF [Youth B] | 1:3 | ||||
| 9. Round | 07/10/2023 | Næstved BK [Youth B] | - | AC Amager Academy [Youth B] | 1:2 | ||||
| 10. Round | 14/10/2023 | Nykøbing FC [Youth B] | - | Næstved BK [Youth B] | 5:6 pso | |
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| 11. Round | 21/10/2023 | Næstved BK [Youth B] | - | FC Roskilde [Youth B] | 2:1 | |
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| 12. Round | 29/10/2023 | IF Lyseng [Youth B] | - | Næstved BK [Youth B] | 4:1 | |
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| 13. Round | 04/11/2023 | Næstved BK [Youth B] | - | B.93 København [Youth B] | 2:3 | ||||
| 14. Round | 11/11/2023 | Hellerup IK [Youth B] | - | Næstved BK [Youth B] | 6:5 pso | ||||
| 15. Round | 18/11/2023 | Næstved BK [Youth B] | - | HB Køge [Youth B] | 1:2 |
Denmark