1. Round | 25/08/2019 | Haro Deportivo | - | Athletic Bilbao B | 1:4 | ||||
2. Round | 31/08/2019 | Athletic Bilbao B | - | CD Calahorra | 0:0 | ||||
3. Round | 08/09/2019 | CD Leonesa | - | Athletic Bilbao B | 5:2 | ||||
6. Round | 28/09/2019 | Athletic Bilbao B | - | CA Osasuna B | 5:0 | ||||
7. Round | 05/10/2019 | Arenas de Getxo | - | Athletic Bilbao B | 1:2 | ||||
8. Round | 12/10/2019 | Athletic Bilbao B | - | SD Amorebieta | 3:3 | ||||
9. Round | 19/10/2019 | Real Unión | - | Athletic Bilbao B | 0:1 | ||||
11. Round | 03/11/2019 | Athletic Bilbao B | - | UD Logroñés | 3:1 | ||||
12. Round | 10/11/2019 | Burgos CF | - | Athletic Bilbao B | 2:0 | ||||
13. Round | 16/11/2019 | Athletic Bilbao B | - | Unionistas CF | 4:1 | ||||
16. Round | 06/12/2019 | SD Leioa | - | Athletic Bilbao B | 1:0 | ||||
18. Round | 21/12/2019 | Real Sociedad B | - | Athletic Bilbao B | 0:2 | ||||
23. Round | 01/02/2020 | Salamanca CF UDS | - | Athletic Bilbao B | 1:1 |