Serena Williams reacts during her match against Sabine Lisicki of Germany in a Women's singles at the All England Lawn Tennis Championships in Wimbledon, London, on July 1, 2013. (Associated Press)

Photo by: Alastair Grant

Serena Williams reacts during her match against Sabine Lisicki of Germany in a Women's singles at the All England Lawn Tennis Championships in Wimbledon, London, on July 1, 2013. (Associated Press)