Stosur wins 2011 US Open for first Grand Slam In what is being dubbed as one of the greatest upset in recent tennis history, #7-seed Sam Stosur beat #28-seed Serena Williams in straight sets 62 63 to win the 2011 US Open and her first grand slam singles title. Despite being ranked lower, Williams was the heads-on favorite to win the match. She won 2 hardcourt titles over the summer.. Read More