Defending men’s US Open champion Novak Djokovic is through to the semi-finals for the sixth consecutive time.
He beat Juan Martin Del Potro in straight sets to set up a last four clash with Spain’s David Ferrer.
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Andy Murray takes on Tomas Berdych in tomorrow’s other semi.
This evening in the women’s semi finals Victoria Azarenka meets Maria Sharapova while Serena Williams faces Sara Errani.
