Head to Head
| Spain Segunda B Group 2 | 2016/10/02 15:00 | Real Unión v Leioa | L | 2-1 |
| Spain Segunda B Group 2 | 2016/05/15 16:00 | Real Unión v Leioa | W | 0-1 |
| Spain Segunda B Group 2 | 2016/01/02 17:00 | Leioa v Real Unión | L | 0-2 |
| Spain Segunda B Group 2 | 2015/04/02 16:00 | Real Unión v Leioa | L | 1-0 |
| Spain Segunda B Group 2 | 2014/11/15 15:00 | Leioa v Real Unión | W | 1-0 |
Home History
| Spain Segunda B Group 2 | 2017/02/12 15:00 | Real Sociedad B v Leioa | W | 1-3 |
| Spain Segunda B Group 2 | 2017/02/04 17:30 | Leioa v Real Madrid B | D | 1-1 |
| Spain Segunda B Group 2 | 2017/01/29 11:30 | Mensajero v Leioa | W | 1-2 |
| Spain Segunda B Group 2 | 2017/01/21 16:00 | Leioa v Navalcarnero | W | 2-0 |
| Spain Segunda B Group 2 | 2017/01/15 11:00 | UD San Sebastian Reyes v Leioa | W | 0-1 |
| Spain Segunda B Group 2 | 2017/01/08 16:00 | Leioa v UD Logrones | D | 1-1 |
| Spain Segunda B Group 2 | 2016/12/17 16:00 | Leioa v Arenas Club de Getxo | D | 2-2 |
| Spain Segunda B Group 2 | 2016/12/11 16:30 | Sestao River v Leioa | D | 1-1 |
Away History
| Spain Segunda B Group 2 | 2017/02/12 16:00 | Real Unión v Gernika | D | 2-2 |
| Spain Copa Federacion | 2017/02/08 17:36 | Real Unión v Ponferradina | W | 2-0 |
| Spain Segunda B Group 2 | 2017/02/04 15:00 | Amorebieta v Real Unión | L | 3-1 |
| Spain Copa Federacion | 2017/02/01 20:15 | Ponferradina v Real Unión | D | 0-0 |
| Spain Segunda B Group 2 | 2017/01/29 16:00 | Albacete v Real Unión | L | 2-0 |
| Spain Segunda B Group 2 | 2017/01/21 18:00 | Real Unión v Real Sociedad B | D | 2-2 |
| Spain Copa Federacion | 2017/01/18 16:32 | Alaves B v Real Unión | W | 0-2 |
| Spain Segunda B Group 2 | 2017/01/14 18:30 | Real Madrid B v Real Unión | W | 1-2 |