Serena Williams retains U.S. Open title at Flushing Meadows . The American won 6-2, 6-2 in a match that lasted nearly three hours and was the longest women's final of any Grand Slam tournament since Wimbledon 2007. 17th grand slam title for the 31 year old American . Leander Paes of India sets grand slam milestone in men 's doubles .
Serena Williams retains U.S. Open title at Flushing Meadows . Beats Victoria Azarenka in final 7-5 6-7 6-1 . 17th grand slam title for the 31 year old American . Leander Paes of India sets grand slam milestone in men 's doubles .