| 1. Jornada | 18.10.2020 | Atlético B | - | UD Poblense | 1:0 | ||||
| 2. Jornada | 25.10.2020 | Inter de Madrid | - | Atlético B | 3:1 |  |
|||
| 4. Jornada | 08.11.2020 | Atlético B | - | UD SS Reyes | 1:2 | ||||
| 5. Jornada | 22.11.2020 | Las Rozas CF | - | Atlético B | 2:1 | ||||
| 7. Jornada | 06.12.2020 | Rayo Majadahonda | - | Atlético B | 1:0 |  |
|||
| 8. Jornada | 13.12.2020 | Atlético B | - | Real Madrid Castilla | 1:2 | ||||
| 6. Jornada | 23.12.2020 | Atlético B | - | Getafe B | 0:0 | |
|||
| 9. Jornada | 10.02.2021 | CDA Navalcarnero | - | Atlético B | 1:1 | |
|||
| 14. Jornada | 14.02.2021 | Atlético B | - | Las Rozas CF | 0:0 | ||||
| 15. Jornada | 21.02.2021 | Getafe B | - | Atlético B | 1:3 | ||||
| 16. Jornada | 07.03.2021 | Atlético B | - | Rayo Majadahonda | 1:0 | ||||
| 17. Jornada | 14.03.2021 | Real Madrid Castilla | - | Atlético B | 3:1 | ||||
| 18. Jornada | 21.03.2021 | Atlético B | - | CDA Navalcarnero | 1:1 |
España