1. Round | 18/10/2020 | Real Sociedad B | - | SD Leioa | 1:0 | ||||
3. Round | 01/11/2020 | Real Sociedad B | - | CD Laredo | 3:0 | ||||
4. Round | 08/11/2020 | Barakaldo CF | - | Real Sociedad B | 1:4 | ||||
5. Round | 14/11/2020 | SD Amorebieta | - | Real Sociedad B | 2:1 | ||||
6. Round | 22/11/2020 | Real Sociedad B | - | Real Unión | 0:1 | ||||
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 | ||||
8. Round | 03/01/2021 | Real Sociedad B | - | Racing Santander | 4:1 |