Serena Williams talks to the chair umpire Eva Asderaki during the women's championship match against Samantha Stosur of Australia at the U.S. Open tennis tournament in New York, Sunday, Sept. 11, 2011. (AP Photo/Mike Groll)

Photo by: Mike Groll

Serena Williams talks to the chair umpire Eva Asderaki during the women's championship match against Samantha Stosur of Australia at the U.S. Open tennis tournament in New York, Sunday, Sept. 11, 2011. (AP Photo/Mike Groll)