Face à face
| Segunda B, Relegation Group 2 | 2016/05/01 10:00 | Real Sociedad B v Portugalete | L | 3-2 |
| Segunda B, Relegation Group 2 | 2015/12/13 10:30 | Portugalete v Real Sociedad B | L | 0-1 |
Home History
| Segunda B, Relegation Group 2 | 2020/11/29 10:30 | Portugalete v Laredo | L | 0-1 |
| Segunda B, Relegation Group 2 | 2020/11/15 10:30 | Portugalete v Leioa | W | 1-0 |
| Segunda B, Relegation Group 2 | 2020/11/07 14:45 | Deportivo Alaves B v Portugalete | L | 1-0 |
| Segunda B, Relegation Group 2 | 2020/11/01 10:30 | Portugalete v Athletic Bilbao B | L | 2-3 |
| Segunda B, Relegation Group 2 | 2020/10/25 10:30 | Portugalete v Amorebieta | D | 0-0 |
| Segunda B, Relegation Group 2 | 2020/10/18 16:00 | Racing Santander v Portugalete | D | 1-1 |
| Europe - Matchs amicaux | 2020/09/16 16:04 | Portugalete v Izarra | W | 1-0 |
| Espagne - Tercera - Barrages | 2020/08/08 17:30 | Portugalete v Sestao River | W | 1-0 |
Away History
| Segunda B, Relegation Group 2 | 2020/11/29 16:00 | Arenas Club de Getxo v Real Sociedad B | D | 1-1 |
| Segunda B, Relegation Group 2 | 2020/11/22 11:00 | Real Sociedad B v Real Unión | L | 0-1 |
| Segunda B, Relegation Group 2 | 2020/11/14 15:30 | Amorebieta v Real Sociedad B | L | 2-1 |
| Segunda B, Relegation Group 2 | 2020/11/08 16:00 | Barakaldo v Real Sociedad B | W | 1-4 |
| Segunda B, Relegation Group 2 | 2020/11/01 17:30 | Real Sociedad B v Laredo | W | 3-0 |
| Segunda B, Relegation Group 2 | 2020/10/18 15:00 | Real Sociedad B v Leioa | W | 1-0 |
| Segunda B, Relegation Group 2 | 2020/03/08 16:00 | Real Sociedad B v Haro Deportivo | D | 1-1 |
| Segunda B, Relegation Group 2 | 2020/03/01 11:00 | Deportivo Alaves B v Real Sociedad B | L | 3-2 |