Head to Head
| Spain Segunda B Group 2 | 2019/09/21 14:30 | Osasuna B v Real Unión | L | 4-2 |
| Spain Segunda B Group 2 | 2018/03/10 15:30 | Osasuna B v Real Unión | L | 1-0 |
| Spain Segunda B Group 2 | 2017/10/21 14:00 | Real Unión v Osasuna B | L | 1-3 |
| Europe Friendlies | 2017/08/05 17:00 | Real Unión v Osasuna B | L | 1-2 |
Home History
| Spain Segunda B Group 2 | 2020/02/02 11:00 | Tudelano v Real Unión | D | 2-2 |
| Spain Segunda B Group 2 | 2020/01/26 16:00 | Real Unión v Salamanca CF UDS | L | 0-1 |
| Spain Segunda B Group 2 | 2020/01/19 16:30 | Cultural Leonesa v Real Unión | D | 0-0 |
| Spain Segunda B Group 2 | 2020/01/11 15:00 | Real Unión v CD Calahorra | D | 0-0 |
| Spain Segunda B Group 2 | 2020/01/04 16:00 | Real Unión v Haro Deportivo | W | 1-0 |
| Spain Segunda B Group 2 | 2019/12/21 14:30 | Alaves B v Real Unión | L | 1-0 |
| Spain Segunda B Group 2 | 2019/12/15 16:00 | Real Unión v Real Sociedad B | D | 2-2 |
| Spain Segunda B Group 2 | 2019/12/08 16:00 | Barakaldo v Real Unión | L | 2-1 |
Away History
| Spain Segunda B Group 2 | 2020/02/01 15:30 | Osasuna B v Amorebieta | W | 3-2 |
| Spain Segunda B Group 2 | 2020/01/25 15:00 | Arenas Club de Getxo v Osasuna B | W | 0-2 |
| Spain Segunda B Group 2 | 2020/01/19 11:00 | Valladolid Promesas v Osasuna B | L | 2-0 |
| Spain Segunda B Group 2 | 2020/01/11 15:30 | Osasuna B v Tudelano | D | 1-1 |
| Spain Segunda B Group 2 | 2020/01/04 15:30 | Osasuna B v Salamanca CF UDS | D | 1-1 |
| Spain Segunda B Group 2 | 2019/12/22 16:30 | Cultural Leonesa v Osasuna B | D | 0-0 |
| Spain Segunda B Group 2 | 2019/12/14 15:00 | Osasuna B v CD Calahorra | W | 3-0 |
| Spain Segunda B Group 2 | 2019/12/06 16:00 | Haro Deportivo v Osasuna B | L | 1-0 |