| 1. Ronde | 18.10.2020 | Las Rozas CF | - | Real Madrid Castilla | 1:2 |  |
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| 2. Ronde | 25.10.2020 | Real Madrid Castilla | - | Getafe CF B | 1:2 | ||||
| 3. Ronde | 15.11.2020 | Rayo Majadahonda | - | Real Madrid Castilla | 1:0 | ||||
| 5. Ronde | 21.11.2020 | Real Madrid Castilla | - | CDA Navalcarnero | 3:1 | ||||
| 11. Ronde | 24.01.2021 | Getafe CF B | - | Real Madrid Castilla | 1:0 |  |
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| 9. Ronde | 03.02.2021 | Real Madrid Castilla | - | UD SS Reyes | 3:1 | ||||
| 13. Ronde | 07.02.2021 | Atlético Baleares | - | Real Madrid Castilla | 2:1 | ||||
| 10. Ronde | 10.02.2021 | Real Madrid Castilla | - | Las Rozas CF | 3:1 | ||||
| 12. Ronde | 03.03.2021 | Real Madrid Castilla | - | Rayo Majadahonda | 1:0 | ||||
| 16. Ronde | 07.03.2021 | Inter de Madrid | - | Real Madrid Castilla | 1:2 | |
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| 17. Ronde | 14.03.2021 | Real Madrid Castilla | - | Atlético Madrid B | 3:1 | ||||
| 18. Ronde | 21.03.2021 | UD SS Reyes | - | Real Madrid Castilla | 1:1 |
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