Serbia's Novak Djokovic, left, shakes hands with Jurgen Melzer of Austria after their men's singles quarterfinal match of the China Open tennis tournament in Beijing Friday, Oct. 5, 2012. Djokovic ...
more Serbia's Novak Djokovic, left, shakes hands with Jurgen Melzer of Austria after their men's singles quarterfinal match of the China Open tennis tournament in Beijing Friday, Oct. 5, 2012. Djokovic defeated Melzer 6-1, 6-2. (AP Photo/Andy Wong)
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