Alaves became the first side to book their place in the semifinals of the Copa del Rey on Tuesday as a 0-0 draw at home to second division Alcorcon was enough to seal a 2-0 aggregate win.

Ibai Gomez's two late goals in last week's first leg had given the first division side a commanding advantage. However, the Basques had to rely on goalkeeper Adrian Ortola to prevent Alcorcon a route back into the tie.