Head to Head
| Spain Segunda B Group 2 | 2016/03/06 16:00 | Real Unión v Sestao River | D | 2-2 |
| Spain Segunda B Group 2 | 2015/10/18 15:30 | Sestao River v Real Unión | L | 1-0 |
| Spain Segunda B Group 2 | 2015/01/18 16:30 | Sestao River v Real Unión | D | 2-2 |
| Spain Segunda B Group 2 | 2014/08/30 14:00 | Real Unión v Sestao River | D | 2-2 |
Home History
| Spain Segunda B Group 2 | 2016/11/13 17:00 | Barakaldo v Real Unión | W | 0-1 |
| Spain Segunda B Group 2 | 2016/11/05 15:00 | Real Unión v Athletic Bilbao B | W | 3-1 |
| Spain Segunda B Group 1 | 2016/11/01 16:00 | Zamudio v Real Unión | D | 1-1 |
| Spain Segunda B Group 2 | 2016/10/29 17:30 | Real Unión v Socuéllamos | D | 1-1 |
| Spain Segunda B Group 1 | 2016/10/23 16:00 | Toledo v Real Unión | L | 1-0 |
| Spain Segunda B Group 2 | 2016/10/16 15:00 | Real Unión v Rayo Majadahonda | W | 2-0 |
| Spain Segunda B Group 2 | 2016/10/09 10:00 | Fuenlabrada v Real Unión | L | 1-0 |
| Spain Segunda B Group 2 | 2016/10/02 15:00 | Real Unión v Leioa | W | 2-1 |
Away History
| Spain Segunda B Group 2 | 2016/11/12 15:00 | Sestao River v Real Sociedad B | L | 1-4 |
| Spain Segunda B Group 1 | 2016/11/06 16:00 | Real Madrid B v Sestao River | L | 2-0 |
| Spain Segunda B Group 2 | 2016/11/02 19:00 | Sestao River v Mensajero | D | 1-1 |
| Spain Segunda B Group 2 | 2016/10/30 15:30 | Navalcarnero v Sestao River | L | 2-0 |
| Spain Segunda B Group 2 | 2016/10/23 15:30 | Sestao River v UD San Sebastian Reyes | L | 1-3 |
| Spain Segunda B Group 2 | 2016/10/16 16:00 | UD Logrones v Sestao River | D | 1-1 |
| Spain Segunda B Group 2 | 2016/10/09 16:00 | Sestao River v Arenas Club de Getxo | L | 1-2 |
| Europe Friendlies | 2016/10/06 17:30 | Sestao River v Athletic Bilbao | L | 0-4 |