| 4. Ronde | 08.11.2020 | Cultural Leonesa | - | Real Oviedo B | 2:1 | ||||
| 5. Ronde | 21.11.2020 | Real Oviedo B | - | CD Numancia | 0:0 |  |
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| 6. Ronde | 29.11.2020 | CD Lealtad | - | Real Oviedo B | 0:0 | ||||
| 8. Ronde | 12.12.2020 | Real Oviedo B | - | Real Valladolid B | 0:3 | ||||
| 10. Ronde | 17.01.2021 | UP Langreo | - | Real Oviedo B | 2:2 | ||||
| 12. Ronde | 31.01.2021 | Marino de Luanco | - | Real Oviedo B | 2:1 |  |
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| 11. Ronde | 10.02.2021 | Real Oviedo B | - | CD Covadonga | 2:1 | ||||
| 15. Ronde | 20.02.2021 | Real Oviedo B | - | CD Lealtad | 2:1 | ||||
| 14. Ronde | 03.03.2021 | CD Numancia | - | Real Oviedo B | 4:1 | ||||
| 16. Ronde | 07.03.2021 | Real Oviedo B | - | Sporting Gijón B | 1:0 | ||||
| 17. Ronde | 14.03.2021 | Real Valladolid B | - | Real Oviedo B | 1:0 | ||||
| 18. Ronde | 21.03.2021 | Real Oviedo B | - | Burgos CF | 0:1 |
Mexico