"There were a lot of rallies. It was a good match," said Ferrer, who complained about muscle cramps in his left leg. "Viktor played some very good tennis in the first two sets. On the important points I was a bit more aggressive and lucky."
Murray beats Isner to set up Ferrer semifinal in Vienna →
David Ferrer of Spain acknowledges applause after defeating Rafael Nadal of Spain during their quarterfinals match of the Monte Carlo Tennis Masters tournament in Monaco, Friday, April 18, 2014.