SportsSamantha Stosur begins US Open with 6-1, 6-1 winNasir QureshiAugust 28, 2012August 28, 2012 by Nasir QureshiAugust 28, 2012August 28, 2012 New York: US Open defending champion Samantha Stosur of Australia trounced 64th-ranked Petra Martic 6-1, 6-1 in the tournament’s first match at Arthur Ashe Stadium....