Serena Williams, of the United States, prepares to serve to Taylor Townsend, of the United States, 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

Serena Williams, of the United States, prepares to serve to Taylor Townsend, of the United States, 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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