Head to Head
| 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
| Europe Friendlies | 2023/07/29 09:30 | Sestao River v Amorebieta | L | 1-2 |
| Spain Segunda Division RFEF Group 2 | 2023/05/13 15:30 | Sestao River v Izarra | D | 1-1 |
| Spain Segunda Division RFEF Group 2 | 2023/05/07 10:00 | Tudelano v Sestao River | D | 0-0 |
| Spain Segunda Division RFEF Group 2 | 2023/04/30 17:00 | Sestao River v SD Beasain | W | 2-0 |
| Spain Segunda Division RFEF Group 2 | 2023/04/22 16:30 | Sestao River v Real Sociedad C | W | 3-1 |
| Spain Segunda Division RFEF Group 2 | 2023/04/15 15:00 | Racing Rioja CF v Sestao River | W | 0-3 |
| Spain Segunda Division RFEF Group 2 | 2023/04/08 16:30 | Sestao River v Arnedo | W | 3-0 |
| Spain Segunda Division RFEF Group 2 | 2023/04/02 15:00 | Brea v Sestao River | D | 1-1 |
Away History
| Club Friendly List | 2023/08/02 17:00 | Real Unión v Bordeaux II | D | 1-1 |
| Club Friendly List | 2023/07/29 17:00 | Real Unión v SD Logrones | W | 4-0 |
| Europe Friendlies | 2023/07/22 09:30 | Real Unión v Eibar | L | 0-1 |
| Spain Primera Division RFEF Group 2 | 2023/05/27 17:30 | Real Unión v La Nucia | W | 2-0 |
| Spain Primera Division RFEF Group 2 | 2023/05/20 17:30 | CD Castellon v Real Unión | D | 1-1 |
| Spain Primera Division RFEF Group 2 | 2023/05/14 10:00 | Real Unión v Atletico Baleares | W | 2-0 |
| Spain Primera Division RFEF Group 2 | 2023/05/06 15:00 | Alcoyano v Real Unión | D | 1-1 |
| Spain Primera Division RFEF Group 2 | 2023/04/30 16:00 | Gimnastic v Real Unión | W | 0-1 |