Roberta Vinci, of Italy, returns a shot to Kristina Mladenovic, of France, during a quarterfinal match at the U.S. Open tennis tournament, Tuesday, Sept. 8, 2015, in New York. (AP Photo/Seth Wenig)
Roberta Vinci, of Italy, returns a shot to Kristina Mladenovic, of France, during a quarterfinal match at the U.S. Open tennis tournament, Tuesday, Sept. 8, 2015, in New York. (AP Photo/Seth Wenig)
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