| 6. Ronde | 29.11.2020 | UD Poblense | - | Real Madrid Castilla | 2:2 | ||||
| 7. Ronde | 05.12.2020 | Real Madrid Castilla | - | Inter de Madrid | 2:2 | ||||
| 8. Ronde | 13.12.2020 | Atlético Madrid B | - | Real Madrid Castilla | 1:2 | ||||
| 10. Ronde | 10.02.2021 | Real Madrid Castilla | - | Las Rozas CF | 3:1 | ||||
| 14. Ronde | 14.02.2021 | CDA Navalcarnero | - | Real Madrid Castilla | 1:2 |  |
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| 15. Ronde | 21.02.2021 | Real Madrid Castilla | - | UD Poblense | 1:1 | |
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| 12. Ronde | 03.03.2021 | Real Madrid Castilla | - | Rayo Majadahonda | 1:0 | |
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| 16. Ronde | 07.03.2021 | Inter de Madrid | - | Real Madrid Castilla | 1:2 | ||||
| 17. Ronde | 14.03.2021 | Real Madrid Castilla | - | Atlético Madrid B | 3:1 | |
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| 18. Ronde | 21.03.2021 | UD SS Reyes | - | Real Madrid Castilla | 1:1 |
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