Sharapova out of Australian Open

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China's Li Na stormed into the final of the Australian Open today with a straight-sets defeat of world number two Maria Sharapova.

Na trounced Sharapova 6-2, 6-2 in 1hr 33min and will meet world number one Victoria Azarenka in Saturday's final.

Azarenka beat the American teenager Sloane Stephens 6 1 6 4 - recovering from a medical time-out at 5-4 up in the 2nd set to move within a match of defending her title.