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Serbia's Novak Djokovic serves to Spain's David Ferrer during a semifinal match at the 2012 US Open tennis tournament, Saturday, Sept. 8, 2012, in New York. The U.S. Open will finish on a Monday for the fifth consecutive year. With a potentially dangerous storm expected Saturday night in Flushing Meadows, the tournament suspended play for the day while David Ferrer was leading Novak Djokovic 5-2 in the first set of their semifinal. (AP Photo/Julio Cortez)