| 1. Round | 07/04/2021 | Athletic Club B | - | CD Calahorra | 2:1 | ||||
| 2. Round | 11/04/2021 | CD Tudelano | - | Athletic Club B | 1:4 | ||||
| 3. Round | 17/04/2021 | Athletic Club B | - | SD Logroñés | 2:0 |
| 1. Round | 07/04/2021 | Athletic Club B | - | CD Calahorra | 2:1 | ||||
| 2. Round | 11/04/2021 | CD Tudelano | - | Athletic Club B | 1:4 | ||||
| 3. Round | 17/04/2021 | Athletic Club B | - | SD Logroñés | 2:0 |
| Álvaro Núñez Cobo | |
| Born: | 07.07.2000 |
| Place of birth: |
Bilbao, 
Spain |
| Nationality: |
Spain
|
| Height: | 177 cm |
| Weight: | 60 kg |
| Position(s): | Right Back |
| Foot: | right |