Andy Murray is through to the quarter-finals at Wimbledon.
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The men's third seed defeated big-serving Croatian, Ivo Karlovic by 3 sets to 1 after a tense battle on centre court.
Elsewhere, French Open champion Stan Wawrinka is also through to the last-eight, along with Maria Sharapova and women's top-seed Serena Williams, who defeated her elder sister, Venus in their fourth round contest.
