Samantha Stosur (AUS)

 the Women's Singles Finals at the 2011 US Open

Philip Hall/USTA

Mike Segar / Reuters

Williams Loses U.S. Open to Stosur after Clash with Umpire [Photos & Video]

http://www.ibtimes.com/articles/212039/20110912/underdog-samantha-stosur-defeats-outrageous-serena-williams-in-us-open-final-grand-slam-arthur-ashe.htm 

PhotoBlog - Stosur upsets Williams to take US Open title

http://photoblog.msnbc.msn.com/_news/2011/09/12/7721470-stosur-upsets-williams-to-take-us-open-title