| 1. Round | 14/08/2023 | CD Tenerife | - | Real Oviedo | 1:0 | ||||
| 2. Round | 20/08/2023 | Real Oviedo | - | Racing Ferrol | 1:1 |  |
|||
| 3. Round | 26/08/2023 | Burgos CF | - | Real Oviedo | 1:0 | ||||
| 5. Round | 09/09/2023 | Real Oviedo | - | Sporting Gijón | 0:0 |
| 1. Round | 14/08/2023 | CD Tenerife | - | Real Oviedo | 1:0 | ||||
| 2. Round | 20/08/2023 | Real Oviedo | - | Racing Ferrol | 1:1 | |
|||
| 3. Round | 26/08/2023 | Burgos CF | - | Real Oviedo | 1:0 | ||||
| 5. Round | 09/09/2023 | Real Oviedo | - | Sporting Gijón | 0:0 |
| Mario Hernández Fernández | |
| Born: | 25.01.1999 |
| Place of birth: |
Madrid, 
Spain |
| Nationality: |
Spain
|
| Height: | 177 cm |
| Weight: | 75 kg |
| Position(s): | Right Back |
| Foot: | right |