By Jon Wertheim
August 22, 2013
No. 2 Rafael Nadal, the 2010 U.S. Open champion, is 15-0 on hard courts this year and 53-3 overall.
Ronald Martinez/Getty Images

16. Fabio Fognini: The creative and quirky player had a great run on clay after Wimbledon, winning two titles and advancing to the final of a third tournament. But he turned in a pretty shabby effort his last time out.

Winner: Rafael Nadal

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