1. Round | 18/10/2020 | Real Sociedad B | - | SD Leioa | 1:0 | ||||
7. Round | 29/11/2020 | Arenas de Getxo | - | Real Sociedad B | 1:1 | ||||
9. Round | 12/12/2020 | Club Portugalete | - | Real Sociedad B | 1:1 | ||||
10. Round | 19/12/2020 | Real Sociedad B | - | Athletic Bilbao B | 1:2 | ||||
18. Round | 28/02/2021 | Real Sociedad B | - | Arenas de Getxo | 3:0 | ||||
19. Round | 07/03/2021 | Racing Santander | - | Real Sociedad B | 0:1 | ||||
20. Round | 14/03/2021 | Real Sociedad B | - | Club Portugalete | 2:0 | ||||
21. Round | 21/03/2021 | Athletic Bilbao B | - | Real Sociedad B | 1:2 | ||||
22. Round | 28/03/2021 | Real Sociedad B | - | CD Alavés B | 4:1 |