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Britain's Laura Robson returns a shot to China's Li Na in the third round of play at the 2012 US Open tennis tournament, Friday, Aug. 31, 2012, in New York. Robson won the match. (AP Photo/Paul Bereswill)

Associated Press
Britain's Laura Robson returns a shot to China's Li Na in the third round of play at the 2012 US Open tennis tournament,  Friday, Aug. 31, 2012, in New York. Robson won the match. (AP Photo/Paul Bereswill)
Britain's Laura Robson returns a shot to China's Li Na in the third round of play at the 2012 US Open tennis tournament, Friday, Aug. 31, 2012, in New York. Robson won the match. (AP Photo/Paul Bereswill)
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