Away History
| Spain Tercera Group 4 | 2018/04/29 09:30 | Portugalete v SD Beasain | W | 2-1 |
| Spain Tercera Group 4 | 2018/04/22 16:00 | Basconia v Portugalete | D | 1-1 |
| Spain Tercera Group 4 | 2018/04/15 09:30 | Portugalete v Aurrera de Vitoria | W | 6-1 |
| Spain Tercera Group 4 | 2018/04/07 15:00 | Bermeo v Portugalete | W | 0-4 |
| Spain Tercera Group 4 | 2018/03/29 09:30 | Portugalete v Real Sociedad C | W | 1-0 |
| Spain Tercera Group 4 | 2018/03/25 09:15 | Santutxu v Portugalete | W | 2-3 |
| Spain Tercera Group 4 | 2018/03/18 10:30 | Portugalete v Alaves B | D | 0-0 |
| Spain Tercera Group 4 | 2018/03/10 16:30 | SD Deusto v Portugalete | L | 1-0 |