| 1. Round | 15/08/2020 | Nykøbing FC [Youth B] | - | FC Roskilde [Youth B] | 1:3 | ||||
| 2. Round | 23/08/2020 | FC Roskilde [Youth B] | - | Slagelse B&I [Youth B] | 3:0 | ||||
| 4. Round | 05/09/2020 | FC Roskilde [Youth B] | - | FC Helsingør [Youth B] | 0:1 | ||||
| 11. Round | 24/10/2020 | FC Roskilde [Youth B] | - | Næstved BK [Youth B] | 3:0 | ||||
| 12. Round | 31/10/2020 | Hellerup IK [Youth B] | - | FC Roskilde [Youth B] | 5:3 |  |
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| 3. Round | 28/11/2020 | Hobro IK [Youth B] | - | FC Roskilde [Youth B] | 1:5 | ||||
| 19. Round | 27/03/2021 | FC Helsingør [Youth B] | - | FC Roskilde [Youth B] | 3:3 | ||||
| 6. Round | 05/04/2021 | Viborg FF [Youth B] | - | FC Roskilde [Youth B] | 0:1 | ||||
| 20. Round | 10/04/2021 | FC Roskilde [Youth B] | - | SfB-Oure FA [Youth B] | 3:3 | ||||
| 21. Round | 17/04/2021 | FC Roskilde [Youth B] | - | Viborg FF [Youth B] | 0:2 | ||||
| 23. Round | 02/05/2021 | FC Roskilde [Youth B] | - | Hvidovre IF [Youth B] | 3:3 | ||||
| 24. Round | 08/05/2021 | Næsby BK [Youth B] | - | FC Roskilde [Youth B] | 2:3 | ||||
| 26. Round | 22/05/2021 | Næstved BK [Youth B] | - | FC Roskilde [Youth B] | 0:8 |  |
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| 28. Round | 05/06/2021 | Kolding IF [Youth B] | - | FC Roskilde [Youth B] | 4:4 |
Denmark