Andy Murray reached the quarter-finals of the Mexican Open with a comfortable victory over Portugal's Joao Sousa on Thursday.
Murray needed three sets in the first round to beat Spaniard Pablo Andujar, but put in a more authoritative performance against Sousa to win 6-3 6-4, setting up a clash with France's Gilles Simon in the last eight.
Top seed David Ferrer defeated fellow Spaniard Feliciano Lopez to advance to his fifth straight quarter-finals.
Ferrer, trying to win his fourth title on Mexican soil, won 7-6 6-2 and will next play South Africa's Kevin Anderson, who eliminated American Sam Querrey 7-6 (2) 6-4.
On the women's side of the combined ATP-WTA tournament, top seed Dominika Cibulkova reached the quarter-finals with a 7-5 6-2 win over Yanina Wickmayer of Belgium.
Cibulkova has won her first matches on tour since her run to the Australian Open final and will play Marina Erakovic of New Zealand, who defeated Serbia's Bojana Jovanovski 6-1 6-4.
