Head to Head
| Spain Segunda B Group 2 | 2019/08/24 18:30 | CD Calahorra v Real Unión | L | 2-0 |
| Spain Segunda B Group 2 | 2019/04/28 10:00 | Real Unión v CD Calahorra | L | 0-1 |
| Spain Segunda B Group 2 | 2018/12/08 15:30 | CD Calahorra v Real Unión | D | 1-1 |
| Spain Copa del Rey | 2017/08/30 16:00 | CD Calahorra v Real Unión | L | 1-0 |
Home History
| 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 |
| Spain Segunda B Group 2 | 2019/12/01 16:00 | Real Unión v Leioa | D | 0-0 |
| Spain Segunda B Group 2 | 2019/11/24 15:00 | Izarra v Real Unión | W | 0-1 |
| Spain Segunda B Group 2 | 2019/11/17 17:00 | Real Unión v Guijuelo | W | 2-1 |
| Spain Segunda B Group 2 | 2019/11/09 15:00 | Unionistas de Salamanca CF v Real Unión | W | 0-2 |
Away History
| Spain Segunda B Group 2 | 2020/01/04 15:30 | Amorebieta v CD Calahorra | L | 1-0 |
| Spain Segunda B Group 2 | 2019/12/21 19:00 | CD Calahorra v Arenas Club de Getxo | W | 2-1 |
| Spain Segunda B Group 2 | 2019/12/14 15:00 | Osasuna B v CD Calahorra | L | 3-0 |
| Spain Segunda B Group 2 | 2019/12/08 16:00 | CD Calahorra v Tudelano | D | 1-1 |
| Spain Segunda B Group 2 | 2019/12/01 16:00 | Salamanca CF UDS v CD Calahorra | W | 1-2 |
| Spain Segunda B Group 2 | 2019/11/24 16:00 | CD Calahorra v Cultural Leonesa | W | 1-0 |
| Spain Segunda B Group 2 | 2019/11/17 14:30 | Valladolid Promesas v CD Calahorra | D | 1-1 |
| Spain Segunda B Group 2 | 2019/11/09 18:00 | Haro Deportivo v CD Calahorra | D | 1-1 |