Head to Head
| Spain Segunda B Group 2 | 2019/05/19 16:00 | Real Unión v Tudelano | W | 1-0 |
| Spain Segunda B Group 2 | 2019/01/05 11:30 | Tudelano v Real Unión | D | 2-2 |
| Europe Friendlies | 2018/08/03 17:03 | Tudelano v Real Unión | W | 2-3 |
| Spain Segunda B Group 2 | 2018/03/18 16:00 | Real Unión v Tudelano | L | 1-2 |
| Spain Segunda B Group 2 | 2017/10/29 11:00 | Tudelano v Real Unión | L | 3-0 |
| Spain Segunda B Group 2 | 2015/05/17 15:00 | Real Unión v Tudelano | L | 0-1 |
| Spain Segunda B Group 2 | 2015/01/04 11:00 | Tudelano v Real Unión | W | 0-1 |
Home History
| Spain Segunda B Group 2 | 2019/09/08 17:00 | Salamanca CF UDS v Real Unión | D | 1-1 |
| Spain Segunda B Group 2 | 2019/09/01 16:00 | Real Unión v Cultural Leonesa | D | 1-1 |
| Spain Segunda B Group 2 | 2019/08/24 18:30 | CD Calahorra v Real Unión | L | 2-0 |
| 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 |
Away History
| Spain Segunda B Group 2 | 2019/09/08 16:00 | Tudelano v Amorebieta | D | 0-0 |
| Spain Segunda B Group 2 | 2019/08/31 14:00 | Arenas Club de Getxo v Tudelano | D | 1-1 |
| Spain Segunda B Group 2 | 2019/08/25 16:30 | Tudelano v Osasuna B | W | 2-1 |
| Europe Friendlies | 2019/08/10 17:00 | Tudelano v Real Zaragoza | W | 1-0 |
| Spain Segunda B Group 2 | 2019/05/19 16:00 | Real Unión v Tudelano | L | 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 10:00 | Sporting Gijon B v Tudelano | D | 0-0 |
| Spain Segunda B Group 2 | 2019/04/27 15:00 | Tudelano v UP Langreo | W | 2-0 |