Head to Head
| Spain Segunda B Group 2 | 2019/01/26 15:00 | Leioa v Real Unión | W | 0-1 |
| Spain Segunda B Group 2 | 2018/09/09 16:00 | Real Unión v Leioa | L | 1-2 |
| Spain Segunda B Group 2 | 2018/04/07 16:00 | Leioa v Real Unión | D | 0-0 |
| Spain Segunda B Group 2 | 2017/11/12 16:00 | Real Unión v Leioa | L | 1-3 |
| Spain Segunda B Group 2 | 2017/02/18 15:00 | Leioa v Real Unión | L | 2-0 |
| Spain Segunda B Group 2 | 2016/10/02 15:00 | Real Unión v Leioa | W | 2-1 |
| Spain Segunda B Group 2 | 2016/05/15 16:00 | Real Unión v Leioa | L | 0-1 |
| Spain Segunda B Group 2 | 2016/01/02 17:00 | Leioa v Real Unión | W | 0-2 |
| Spain Segunda B Group 2 | 2015/04/02 16:00 | Real Unión v Leioa | W | 1-0 |
| Spain Segunda B Group 2 | 2014/11/15 15:00 | Leioa v Real Unión | L | 1-0 |