Kim Clijsters loses final singles match

Four-time Grand Slam champion Kim Clijsters lost in straight sets to Laura Robson of Britain in the second round of the U.S. Open on Wednesday, Aug. 29 and will head into retirement after she finishes playing in doubles at Flushing Meadows.

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Kim Clijsters of Belgium reaches for a shot during her match with Laura Robson of Great Britain in the second round of play at the 2012 US Open tennis tournament, Wednesday, Aug. 29, 2012, in New York. (AP Photo/Mel C. Evans)
Kim Clijsters of Belgium reaches for a shot during her match with Laura Robson of Great Britain in the second round of play at the 2012 US Open tennis tournament, Wednesday, Aug. 29, 2012, in New York. (AP Photo/Mel C. Evans)