Home History
| Spain Segunda B Group 2 | 2015/12/12 15:00 | Gernika v Real Unión | W | 0-5 |
| Spain Segunda B Group 2 | 2015/12/06 16:00 | Real Unión v Barakaldo | D | 1-1 |
| Spain Segunda B Group 2 | 2015/11/28 16:00 | CD Guadalajara v Real Unión | W | 0-1 |
| Spain Segunda B Group 2 | 2015/11/21 15:00 | Real Unión v Fuenlabrada | W | 2-1 |
| Spain Segunda B Group 2 | 2015/11/15 11:00 | Getafe B v Real Unión | W | 0-3 |
| Spain Segunda B Group 2 | 2015/11/08 16:00 | Real Unión v Socuéllamos | D | 0-0 |
| Spain Segunda B Group 2 | 2015/11/01 11:15 | Toledo v Real Unión | L | 2-1 |
| Spain Segunda B Group 2 | 2015/10/25 16:00 | Real Unión v Arenas Club de Getxo | W | 2-0 |
Away History
| Spain Segunda B Group 2 | 2015/12/13 10:30 | Portugalete v Real Sociedad B | L | 0-1 |
| Spain Segunda B Group 2 | 2015/12/06 15:00 | Real Madrid B v Portugalete | L | 1-0 |
| Spain Segunda B Group 2 | 2015/11/29 10:30 | Portugalete v Rayo Majadahonda | D | 0-0 |
| Spain Segunda B Group 2 | 2015/11/22 11:00 | CD Ebro v Portugalete | L | 2-1 |
| Spain Segunda B Group 2 | 2015/11/15 10:30 | Portugalete v La Roda | L | 1-3 |
| Spain Segunda B Group 2 | 2015/11/08 11:15 | CF Talavera v Portugalete | D | 0-0 |
| Spain Segunda B Group 2 | 2015/11/01 10:30 | Portugalete v Leioa | D | 0-0 |
| Spain Segunda B Group 2 | 2015/10/25 10:30 | Portugalete v Mensajero | D | 1-1 |