The draw took place today for the fourth round of the Spanish cup, with 16 teams taking part, including the 11 first division and 5 second division sides surviving from the third round. The lower ranked sides were seeded to play at home, principally against the teams participating in the Spanish Super Cup, and matches take place over one leg on or around 14 January. (07.01.26)
Results were as follows (aet - after extra time, pso - penalty shoot out, teams qualifying in bold):
| Deportivo La Coruña |
0-1 | Atlético Madrid Griezmann 61 |
| Cultural Leonesa Calero 16, 27, Sobrino (p) 41 |
3-4 (aet) |
Athletic Bilbao Guruzeta 26, 38, Sancet (p) 45, Unai Gomez (p) 104 |
| Racing Santander |
0-2 | Barcelona Ferran 66, Yamal 95 |
| Albacete Javi Villar 42, Jefte 82, 94 |
3-2 | Real Madrid Mastantuono 45, Gonzalo 91 |
| Burgos |
0-2 | Valencia Iranzo 10, Sadiq 50 |
| Betis Chimy Avila 68, 80 |
2-1 | Elche Petrot 58 |
| Real Sociedad Turrientes 75, Zubeldia 92 |
2-2 (4-3 pso) |
Osasuna Moncayola 4, Oyarzabal (og) 17 |
| Alavés Toni Martinez 49, Carlos Vicente 89 |
2-0 | Rayo Vallecano |