Head to Head
| Europe Friendlies | 2022/08/06 09:30 | Real Unión v Real Sociedad B | W | 2-1 |
| Spain Segunda B Group 2 | 2021/02/20 17:30 | Real Unión v Real Sociedad B | W | 3-1 |
| Spain Segunda B Group 2 | 2020/11/22 11:00 | Real Sociedad B v Real Unión | W | 0-1 |
| Spain Segunda B Group 2 | 2019/12/15 16:00 | Real Unión v Real Sociedad B | D | 2-2 |
| Europe Friendlies | 2019/08/03 09:30 | Real Sociedad B v Real Unión | L | 1-0 |
| Spain Segunda B Group 2 | 2019/02/24 17:00 | Real Sociedad B v Real Unión | L | 2-1 |
| Spain Segunda B Group 2 | 2018/10/07 15:00 | Real Unión v Real Sociedad B | W | 2-1 |
| Europe Friendlies | 2018/08/18 09:33 | Real Unión v Real Sociedad B | L | 0-3 |
Home History
| Spain Copa Federacion | 2022/10/19 18:30 | CD Arenteiro v Real Unión | L | 2-0 |
| Spain Primera Division RFEF Group 2 | 2022/10/16 15:00 | Real Murcia v Real Unión | D | 0-0 |
| Spain Copa Federacion | 2022/10/12 15:00 | Real Unión v Terrassa | W | 1-0 |
| Spain Primera Division RFEF Group 2 | 2022/10/09 10:00 | Real Unión v Amorebieta | W | 4-3 |
| Spain Copa Federacion | 2022/10/05 17:30 | Real Unión v Illueca | W | 2-0 |
| Spain Primera Division RFEF Group 2 | 2022/10/02 14:00 | La Nucia v Real Unión | D | 1-1 |
| Spain Copa Federacion | 2022/09/28 17:30 | Real Unión v Naxara | W | 1-0 |
| Spain Primera Division RFEF Group 2 | 2022/09/25 10:00 | Real Unión v Alcoyano | L | 1-2 |
Away History
| Spain Primera Division RFEF Group 2 | 2022/10/15 17:00 | Real Sociedad B v Gimnastic | W | 2-0 |
| Spain Primera Division RFEF Group 2 | 2022/10/08 17:00 | Numancia v Real Sociedad B | L | 1-0 |
| Spain Primera Division RFEF Group 2 | 2022/10/02 16:00 | Real Sociedad B v Barcelona B | W | 2-0 |
| Spain Primera Division RFEF Group 2 | 2022/09/24 17:00 | Athletic Bilbao B v Real Sociedad B | D | 1-1 |
| Spain Primera Division RFEF Group 2 | 2022/09/17 17:30 | CF Intercity v Real Sociedad B | L | 5-2 |
| Spain Primera Division RFEF Group 2 | 2022/09/10 15:00 | Real Sociedad B v Real Murcia | L | 1-2 |
| Spain Primera Division RFEF Group 2 | 2022/09/04 17:30 | CD Calahorra v Real Sociedad B | D | 1-1 |
| Spain Primera Division RFEF Group 2 | 2022/08/28 10:00 | Real Sociedad B v Eldense | W | 2-0 |