| 2. Round | 19/08/2023 | Næstved BK [Youth B] | - | FC Helsingør [Youth B] | 0:3 | ||||
| 8. Round | 30/09/2023 | AB Gladsaxe [Youth B] | - | Næstved BK [Youth B] | 4:2 pso | ||||
| 9. Round | 07/10/2023 | Næstved BK [Youth B] | - | AC Amager Academy [Youth B] | 1:2 | ||||
| 11. Round | 21/10/2023 | Næstved BK [Youth B] | - | FC Roskilde [Youth B] | 2:1 | ||||
| 12. Round | 29/10/2023 | IF Lyseng [Youth B] | - | Næstved BK [Youth B] | 4:1 | ||||
| 21. Round | 21/04/2024 | Hobro IK [Youth B] | - | Næstved BK [Youth B] | 2:1 | ||||
| 24. Round | 11/05/2024 | AC Amager Academy [Youth B] | - | Næstved BK [Youth B] | 5:3 |
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