Murray and Djokovic in quarters

Britain's Andy Murray crushed Serbian Viktor Troicki 6-1 6-0 to surge into the Sony Ericsson Open quarter-finals on Tuesday.

The Scot needed just 58 minutes to move into the last eight, winning 83 percent of first service points as he totally dominated his opponent.

Fourth seed Murray will next face the winner of the match between Czech Radek Stepanek and Spain's Fernando Verdasco.

Serbia's third-seeded Novak Djokovic thrashed Czech Tomas Berdych 6-3 6-2 and will meet Frenchman Jo-Wilfried Tsonga who fought back for a 6-7 6-3 6-2 win over compatriot Gilles Simon.

World number one Rafael Nadal faces Stanislas Wawrinka of Switzerland and second seed Roger Federer takes on American Taylor Dent later on Tuesday.

(Editing by Ed Osmond, To query or comment on this story email [email protected]). MIAMI, Wednesday

(Reuters)