Taylor Townsend, of the United States, returns a shot to Serena Williams during the opening round of the U.S. Open tennis tournament Tuesday, Aug. 26, 2014, in New York. (AP Photo/Jason DeCrow)

2014 US Open Tennis

Taylor Townsend, of the United States, returns a shot to Serena Williams during the opening round of the U.S. Open tennis tournament Tuesday, Aug. 26, 2014, in New York. (AP Photo/Jason DeCrow)

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