Serbia's Novak Djokovic hits a return shot to Carlos Berlocq of Argentina during their men's singles tennis match of the China Open tennis tournament in Beijing Wednesday, Oct. 3, 2012. Djokovic ...
more Serbia's Novak Djokovic hits a return shot to Carlos Berlocq of Argentina during their men's singles tennis match of the China Open tennis tournament in Beijing Wednesday, Oct. 3, 2012. Djokovic defeated Berlocq 6-1, 6-3. (AP Photo/Andy Wong)
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