| 19. Round | 27/03/2021 | B.93 København [Youth] | - | Næstved BK [Youth] | 2:1 | ||||
| 17. Round | 03/04/2021 | Kolding IF [Youth] | - | Næstved BK [Youth] | 1:4 | ||||
| 20. Round | 10/04/2021 | Næstved BK [Youth] | - | Nykøbing FC [Youth] | 3:3 |  |
|||
| 23. Round | 01/05/2021 | FC Helsingør [Youth] | - | Næstved BK [Youth] | 6:1 |  |
|||
| 24. Round | 08/05/2021 | Næstved BK [Youth] | - | SfB-Oure FA [Youth] | 5:0 | |
|||
| 18. Round | 13/05/2021 | Næstved BK [Youth] | - | AB Gladsaxe [Youth] | 2:1 | ||||
| 25. Round | 16/05/2021 | Viborg FF [Youth] | - | Næstved BK [Youth] | 2:2 | ||||
| 27. Round | 29/05/2021 | Hvidovre IF [Youth] | - | Næstved BK [Youth] | 1:1 | ||||
| 28. Round | 05/06/2021 | Næstved BK [Youth] | - | Næsby BK [Youth] | 0:2 | ||||
| 26. Round | 16/06/2021 | Næstved BK [Youth] | - | FC Roskilde [Youth] | 2:1 |
Denmark