Head to Head
| Spain Segunda B Group 2 | 2017/11/12 16:00 | Real Unión v Leioa | W | 1-3 |
| Spain Segunda B Group 2 | 2017/02/18 15:00 | Leioa v Real Unión | W | 2-0 |
| 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 | 2018/03/29 15:00 | CD Vitoria v Leioa | W | 0-1 |
| Spain Segunda B Group 2 | 2018/03/23 18:00 | Leioa v Real Sociedad B | L | 0-2 |
| Spain Segunda B Group 2 | 2018/03/17 17:30 | Athletic Bilbao B v Leioa | L | 1-0 |
| Spain Segunda B Group 2 | 2018/03/10 15:00 | Leioa v UD Logrones | D | 3-3 |
| Spain Segunda B Group 2 | 2018/03/04 16:00 | Izarra v Leioa | D | 0-0 |
| Spain Segunda B Group 2 | 2018/02/24 15:00 | Leioa v Tudelano | W | 1-0 |
| Spain Segunda B Group 2 | 2018/02/18 16:00 | Pena Sport v Leioa | W | 1-5 |
| Spain Segunda B Group 2 | 2018/02/10 16:30 | Leioa v Osasuna B | W | 2-1 |
Away History
| Spain Segunda B Group 2 | 2018/03/29 10:00 | Real Unión v Real Sociedad B | D | 0-0 |
| Spain Segunda B Group 2 | 2018/03/24 19:00 | UD Logrones v Real Unión | L | 2-0 |
| Spain Segunda B Group 2 | 2018/03/18 16:00 | Real Unión v Tudelano | L | 1-2 |
| Spain Segunda B Group 2 | 2018/03/10 15:30 | Osasuna B v Real Unión | L | 1-0 |
| Spain Segunda B Group 2 | 2018/03/04 16:00 | Real Unión v Lealtad | W | 3-1 |
| Spain Segunda B Group 2 | 2018/02/25 17:30 | Caudal v Real Unión | D | 0-0 |
| Spain Segunda B Group 2 | 2018/02/18 16:00 | Real Unión v Burgos | W | 1-0 |
| Spain Segunda B Group 2 | 2018/02/10 15:00 | Amorebieta v Real Unión | D | 0-0 |