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2012 US Open - Day 3

NEW YORK, NY - AUGUST 29: Kim Clijsters of Belgium signs autographs for fans as she leaves the court following her defeat to Laura Robson of Great Britain after their women's singles second round match on Day Three of the 2012 US Open at USTA Billie Jean King National Tennis Center on August 29, 2012 in the Flushing neigborhood of the Queens borough of New York City. (Photo by Al Bello/Getty Images)

Kim Clijsters loses final singles match

August 30, 2012

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.