1990–91 Copa del Rey
Team 1 Agg Team 2 1st leg 2nd leg
Águilas CF 2-4 Rayo Vallecano 0-2 2-2
RSD Alcalá 2-3 Palamós CF 2-0 0-3
FC Andorra 0-6 CD Málaga 0-1 0-5
Real Ávila CF 1-2 Real Oviedo 1-2 0-0
CD Badajoz 2-4 Real Betis 1-0 1-4
Atlético Baleares 0-1 Deportivo de La Coruña 0-0 0-1
Benidorm CD 1-8 Real Valladolid 1-1 0-7
CD Castellón 1-3 RCD Español 1-1 0-2
Cultural de Durango 1-3 Sporting Gijón 1-2 0-1
Getafe CF 3-4 UD Las Palmas 1-2 2-2
SD Huesca 1-1 ( 4-5 ( p . ) Cádiz CF 0-0 1-1
Real Murcia 5-2 Real Burgos CF 3-2 2-0
SD Ponferradina 3-4 Real Zaragoza 1-2 2-2
Racing Santander 1-5 Athletic Bilbao 1-3 0-2
CE Sabadell FC 1-7 RCD Mallorca 0-3 1-4
UD Salamanca 2-3 Celta Vigo 2-2 0-1
CD San Roque 0-2 Orihuela Deportiva CF 0-1 0-1
UE Sant Andreu 2-3 CD Logroñés 2-2 0-1
CF Sporting Mahonés 2-4 Elche CF 1-2 1-2
CD Tenerife 4-2 CA Osasuna 3-0 1-2
Fourth round
The 1990-91 Copa del Rey was the 89th staging of the Spanish Cup. The competition began on 5 September 1990 and ended on 29 June 1991 with the final.