14. Round | 30/01/2021 | Athletic Bilbao B | - | Club Portugalete | 2:0 | ||||
15. Round | 06/02/2021 | Club Portugalete | - | CD Alavés B | 0:0 | ||||
16. Round | 10/03/2021 | SD Leioa | - | Club Portugalete | 1:2 | ||||
20. Round | 14/03/2021 | Real Sociedad B | - | Club Portugalete | 2:0 | ||||
21. Round | 21/03/2021 | Club Portugalete | - | Real Unión | 2:0 | ||||
22. Round | 28/03/2021 | Arenas de Getxo | - | Club Portugalete | 1:0 |