| 1. Round | 22/08/2015 | Sestao River | - | Club Portugalete | 1:1 | ||||
| 2. Round | 29/08/2015 | Club Portugalete | - | Arenas de Getxo | 1:1 |  |
 |
||
| 9. Round | 18/10/2015 | SD Gernika | - | Club Portugalete | 4:1 | ||||
| 10. Round | 25/10/2015 | Club Portugalete | - | CD Mensajero | 1:1 | ||||
| 11. Round | 01/11/2015 | Club Portugalete | - | SD Leioa | 0:0 | |
|||
| 12. Round | 08/11/2015 | CF Talavera | - | Club Portugalete | 0:0 | ||||
| 13. Round | 15/11/2015 | Club Portugalete | - | La Roda CF | 1:3 | |
|||
| 14. Round | 22/11/2015 | CD Ebro | - | Club Portugalete | 2:1 | |
|||
| 15. Round | 29/11/2015 | Club Portugalete | - | Rayo Majadahonda | 0:0 | ||||
| 16. Round | 06/12/2015 | Real Madrid Castilla | - | Club Portugalete | 1:0 | |
|||
| 18. Round | 19/12/2015 | Real Unión | - | Club Portugalete | 3:2 | ||||
| 19. Round | 03/01/2016 | Club Portugalete | - | SD Amorebieta | 3:2 | |
|
||
| 20. Round | 10/01/2016 | Club Portugalete | - | Sestao River | 1:2 | ||||
| 21. Round | 16/01/2016 | Arenas de Getxo | - | Club Portugalete | 1:1 | ||||
| 22. Round | 23/01/2016 | Club Portugalete | - | CD Toledo | 0:0 |
Spain