Head to Head
| Spain Primera Division RFEF Group 1 | 2024/11/16 16:30 | Real Sociedad B v Real Unión | L | 5-0 |
| 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 | 2023/12/17 11:00 | Real Sociedad B v Real Unión | D | 2-2 |
| Europe Friendlies | 2023/08/16 17:00 | Real Sociedad B v Real Unión | L | 2-1 |
| Spain Primera Division RFEF Group 2 | 2023/02/11 18:00 | Real Sociedad B v Real Unión | L | 2-0 |
| Spain Primera Division RFEF Group 2 | 2022/10/22 17:00 | Real Unión v Real Sociedad B | L | 0-1 |
| 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 |
Home History
| Spain Primera Division RFEF Group 1 | 2025/01/12 11:00 | Real Unión v Zamora CF | L | 1-2 |
| Spain Primera Division RFEF Group 1 | 2024/12/22 18:30 | Real Unión v Cultural Leonesa | L | 0-1 |
| Spain Primera Division RFEF Group 1 | 2024/12/14 16:30 | CD Arenteiro v Real Unión | L | 3-0 |
| Spain Primera Division RFEF Group 1 | 2024/12/07 16:30 | Real Unión v Athletic Bilbao B | W | 3-1 |
| Spain Primera Division RFEF Group 1 | 2024/12/01 14:30 | Lugo v Real Unión | L | 3-1 |
| Spain Primera Division RFEF Group 1 | 2024/11/24 11:00 | Real Unión v Ourense | L | 0-1 |
| Spain Primera Division RFEF Group 1 | 2024/11/16 16:30 | Real Sociedad B v Real Unión | L | 5-0 |
| Spain Primera Division RFEF Group 1 | 2024/11/09 16:30 | Real Unión v Ponferradina | D | 2-2 |
Away History
| Spain Primera Division RFEF Group 1 | 2025/01/11 14:30 | Celta Fortuna v Real Sociedad B | L | 2-1 |
| Spain Primera Division RFEF Group 1 | 2024/12/22 11:00 | Real Sociedad B v Ourense | W | 2-1 |
| Spain Primera Division RFEF Group 1 | 2024/12/15 11:00 | Unionistas de Salamanca CF v Real Sociedad B | D | 1-1 |
| Spain Primera Division RFEF Group 1 | 2024/12/06 19:30 | Real Sociedad B v Amorebieta | W | 2-0 |
| Spain Primera Division RFEF Group 1 | 2024/11/30 20:30 | Athletic Bilbao B v Real Sociedad B | L | 2-1 |
| Spain Primera Division RFEF Group 1 | 2024/11/23 14:30 | Real Sociedad B v Gimnastica Segoviana | W | 4-1 |
| Spain Primera Division RFEF Group 1 | 2024/11/16 16:30 | Real Sociedad B v Real Unión | W | 5-0 |
| Spain Primera Division RFEF Group 1 | 2024/11/10 16:30 | Zamora CF v Real Sociedad B | L | 1-0 |