1. Round | 07/04/2021 | Athletic Bilbao B | - | CD Calahorra | 2:1 | ||||
2. Round | 11/04/2021 | CD Calahorra | - | Real Sociedad B | 1:2 | ||||
3. Round | 17/04/2021 | SD Amorebieta | - | CD Calahorra | 0:0 | ||||
4. Round | 25/04/2021 | CD Calahorra | - | Athletic Bilbao B | 2:1 | ||||
5. Round | 02/05/2021 | Real Sociedad B | - | CD Calahorra | 0:1 |