1. Round | 18/10/2020 | Racing Santander | - | Club Portugalete | 1:1 | ||||
2. Round | 25/10/2020 | Club Portugalete | - | SD Amorebieta | 0:0 | ||||
3. Round | 01/11/2020 | Club Portugalete | - | Athletic Bilbao B | 2:3 | ||||
4. Round | 07/11/2020 | CD Alavés B | - | Club Portugalete | 1:0 | ||||
5. Round | 15/11/2020 | Club Portugalete | - | SD Leioa | 1:0 | ||||
7. Round | 29/11/2020 | Club Portugalete | - | CD Laredo | 0:1 | ||||
9. Round | 12/12/2020 | Club Portugalete | - | Real Sociedad B | 1:1 | ||||
10. Round | 20/12/2020 | Real Unión | - | Club Portugalete | 2:1 | ||||
11. Round | 10/01/2021 | Club Portugalete | - | Arenas de Getxo | 0:1 | ||||
12. Round | 16/01/2021 | Club Portugalete | - | Racing Santander | 0:1 | ||||
21. Round | 21/03/2021 | Club Portugalete | - | Real Unión | 2:0 |