Head to Head
| Spain Segunda B Group 2 | 2019/04/28 10:00 | Real Unión v CD Calahorra | W | 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 | W | 1-0 |
Home History
| Europe Friendlies | 2019/08/14 17:30 | CD Calahorra v UDC Txantrea | W | 6-1 |
| Europe Friendlies | 2019/08/07 18:00 | CD Calahorra v Burgos | L | 0-2 |
| Europe Friendlies | 2019/07/31 18:00 | CD Calahorra v Real Zaragoza | L | 0-4 |
| Europe Friendlies | 2019/07/27 10:03 | Real Zaragoza B v CD Calahorra | D | 0-0 |
| Europe Friendlies | 2019/07/20 18:00 | CD Calahorra v Huesca | D | 0-0 |
| Spain Segunda B Group 2 | 2019/05/19 16:00 | CD Calahorra v Gimnastica de Torrelavega | W | 1-0 |
| Spain Segunda B Group 2 | 2019/05/12 16:00 | Tudelano v CD Calahorra | D | 0-0 |
| Spain Segunda B Group 2 | 2019/05/05 16:00 | CD Calahorra v Athletic Bilbao B | L | 0-3 |
Away History
| Europe Friendlies | 2019/08/17 09:00 | Amorebieta v Real Unión | L | 3-2 |
| Europe Friendlies | 2019/08/16 17:00 | Real Unión v Lagun Onak | D | 1-1 |
| Europe Friendlies | 2019/08/03 09:30 | Real Sociedad B v Real Unión | L | 1-0 |
| Europe Friendlies | 2019/07/27 08:53 | Real Unión v CD Vitoria | W | 1-0 |
| Spain Segunda B Play-Offs | 2019/06/02 16:30 | Real Unión v Jumilla | W | 2-0 |
| Spain Segunda B Play-Offs | 2019/05/26 16:00 | Jumilla v Real Unión | D | 2-2 |
| Spain Segunda B Group 2 | 2019/05/19 16:00 | Real Unión v Tudelano | W | 1-0 |
| Spain Segunda B Group 2 | 2019/05/12 16:00 | Athletic Bilbao B v Real Unión | L | 2-0 |