Nadal shattered, Muguruza shocked by Barcelona attack
Nadal and Muguruza were shaken and saddened by Thursday's attack in Barcelona.
Nadal and Muguruza were shaken and saddened by Thursday's attack in Barcelona.
Murray will next face Austrian fourth seed Dominic Thiem for a place in the final.
Nadal rose in the rankings after winning 6-1, 6-3 over his compatriot Albert Ramos-Vinolas.
Ramos had on Thursday beaten the World No. 1 Andy Murray in the previous round.
Ramos-Vinolas, ranked 24 in the world, defeated the Briton 2-6, 6-2, 7-5 in two hours and 32 minutes.
Murray, the world's No.1, defeated No. 32 Muller 7-5, 7-5 in one hour and 55 minutes.
