| 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 | ||||
| 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 |  |
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| 8. Round | 30/09/2023 | AB Gladsaxe [Youth B] | - | Næstved BK [Youth B] | 4:2 pso | |
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| 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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| 28. Round | 25/02/2024 | B.93 København [Youth B] | - | Næstved BK [Youth B] | 0:1 | ||||
| 30. Round | 02/03/2024 | HB Køge [Youth B] | - | Næstved BK [Youth B] | 6:5 pso | ||||
| 16. Round | 09/03/2024 | Næstved BK [Youth B] | - | Næsby BK [Youth B] | 3:1 | ||||
| 17. Round | 16/03/2024 | FC Helsingør [Youth B] | - | Næstved BK [Youth B] | 2:3 |
Denmark