Serena Williams defeated Victoria Azarenka in their semifinal match at Wimbledon on Thursday, July 5, 2012. (AP Photo/Anja Niedringhaus)

Photo by: Anja Niedringhaus

Serena Williams defeated Victoria Azarenka in their semifinal match at Wimbledon on Thursday, July 5, 2012. (AP Photo/Anja Niedringhaus)