Head to Head
| Spain Primera Division RFEF Group 1 | 2024/01/03 18:00 | Real Unión v Sestao River | L | 4-2 |
| Europe Friendlies | 2023/08/05 17:00 | Sestao River v Real Unión | L | 0-1 |
| Spain Segunda B Group 2 | 2017/04/14 15:30 | Sestao River v Real Unión | L | 0-2 |
| Spain Segunda B Group 2 | 2016/11/19 17:00 | Real Unión v Sestao River | L | 1-0 |
| 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 | W | 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 Primera Division RFEF Group 1 | 2024/04/06 13:00 | Real Sociedad B v Sestao River | W | 2-3 |
| Spain Primera Division RFEF Group 1 | 2024/03/24 18:00 | Lugo v Sestao River | L | 4-3 |
| Spain Primera Division RFEF Group 1 | 2024/03/16 17:00 | Sestao River v SD Logrones | W | 2-0 |
| Spain Primera Division RFEF Group 1 | 2024/03/09 15:00 | Barcelona B v Sestao River | L | 2-1 |
| Spain Primera Division RFEF Group 1 | 2024/03/03 17:00 | Sestao River v Sabadell | W | 3-0 |
| Spain Primera Division RFEF Group 1 | 2024/02/24 15:00 | Celta Fortuna v Sestao River | L | 4-0 |
| Spain Primera Division RFEF Group 1 | 2024/02/18 17:00 | Sestao River v Gimnastic | D | 1-1 |
| Spain Primera Division RFEF Group 1 | 2024/02/11 15:00 | Fuenlabrada v Sestao River | L | 3-1 |
Away History
| Spain Primera Division RFEF Group 1 | 2024/04/06 18:00 | Real Unión v UE Cornella | W | 1-0 |
| Spain Primera Division RFEF Group 1 | 2024/03/30 17:00 | Teruel v Real Unión | L | 2-1 |
| Spain Primera Division RFEF Group 1 | 2024/03/23 15:00 | SD Logrones v Real Unión | D | 1-1 |
| Spain Primera Division RFEF Group 1 | 2024/03/17 15:00 | Real Unión v Real Sociedad B | L | 1-3 |
| Spain Primera Division RFEF Group 1 | 2024/03/09 15:00 | Rayo Majadahonda v Real Unión | D | 1-1 |
| Spain Primera Division RFEF Group 1 | 2024/03/03 14:00 | Real Unión v Barcelona B | D | 0-0 |
| Spain Primera Division RFEF Group 1 | 2024/02/24 15:00 | Sabadell v Real Unión | L | 1-0 |
| Spain Primera Division RFEF Group 1 | 2024/02/18 11:00 | Real Unión v Celta Fortuna | D | 1-1 |