Head to Head
| World Club Friendlies | 2015/08/09 17:00 | Real Unión v Osasuna | W | 2-1 |
Home History
| Spain Segunda B Group 2 | 2018/05/13 16:00 | Racing Santander v Real Unión | W | 0-2 |
| Spain Segunda B Group 2 | 2018/05/06 16:00 | Real Unión v Sporting Gijon B | D | 1-1 |
| Spain Segunda B Group 2 | 2018/04/28 16:00 | Mirandes v Real Unión | L | 1-0 |
| Spain Segunda B Group 2 | 2018/04/22 15:00 | Real Unión v Gernika | W | 5-4 |
| Spain Segunda B Group 2 | 2018/04/14 16:00 | Arenas Club de Getxo v Real Unión | D | 1-1 |
| Spain Segunda B Group 2 | 2018/04/07 16:00 | Leioa v Real Unión | D | 0-0 |
| 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 |
Away History
| Spain Segunda | 2018/06/02 18:30 | Valladolid v Osasuna | L | 2-0 |
| Spain Segunda | 2018/05/27 18:30 | Osasuna v Lorca FC | W | 1-0 |
| Spain Segunda | 2018/05/20 14:00 | Numancia v Osasuna | D | 1-1 |
| Spain Segunda | 2018/05/12 18:30 | Osasuna v Oviedo | W | 2-1 |
| Spain Segunda | 2018/05/06 10:00 | Gimnastic v Osasuna | W | 0-2 |
| Spain Segunda | 2018/04/28 16:00 | Osasuna v Lugo | D | 1-1 |
| Spain Segunda | 2018/04/22 10:00 | Alcorcon v Osasuna | D | 0-0 |
| Spain Segunda | 2018/04/15 10:00 | Osasuna v Cordoba | D | 1-1 |