Roger Federer has beaten Jo Wilfred Tsonga in their Australian Open quarter final.
Federer took the fifth and final set 6-3 and will play Andy Murray in the semi final.
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Serena Willams who has suffered injury throughout the tournament is out of the following her loss to Sloane Stephens 3-6, 7-5, 6-4.
Victoria Azarenka is through after a straight sets win over Svetlana Kuznetsova.
