| 19. Round | 27/03/2021 | Nykøbing FC [Youth B] | - | HB Køge [Youth B] | 1:6 | ||||
| 15. Round | 28/04/2021 | HB Køge [Youth B] | - | Hellerup IK [Youth B] | 3:1 | ||||
| 23. Round | 01/05/2021 | SfB-Oure FA [Youth B] | - | HB Køge [Youth B] | 0:3 | ||||
| 24. Round | 08/05/2021 | HB Køge [Youth B] | - | Viborg FF [Youth B] | 0:2 | ||||
| 18. Round | 13/05/2021 | HB Køge [Youth B] | - | B.93 København [Youth B] | 6:2 | ||||
| 25. Round | 16/05/2021 | FC Roskilde [Youth B] | - | HB Køge [Youth B] | 5:2 | ||||
| 26. Round | 22/05/2021 | HB Køge [Youth B] | - | Hvidovre IF [Youth B] | 3:0 | ||||
| 30. Round | 19/06/2021 | Hellerup IK [Youth B] | - | HB Køge [Youth B] | 5:1 | ||||
| 16. Round | 26/06/2021 | HB Køge [Youth B] | - | Kolding IF [Youth B] | 4:2 |
Denmark