Juan Monaco, of Argentina, returns a shot against Jo-Wilifried Tsonga, of France, during the opening round of the 2014 U.S. Open tennis tournament, Monday, Aug. 25, 2014, in New York. (AP Photo/Matt Rourke)

2014 US Open Tennis

Juan Monaco, of Argentina, returns a shot against Jo-Wilifried Tsonga, of France, during the opening round of the 2014 U.S. Open tennis tournament, Monday, Aug. 25, 2014, in New York. (AP Photo/Matt Rourke)

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