Serena Williams of the United States reacts during a second round women's singles match against Melinda Czink of Hungary at the All England Lawn Tennis Championships at Wimbledon, England, Thursday, June 28, 2012. (AP Photo/Anja Niedringhaus)
Serena Williams of the United States reacts during a second round women's singles match against Melinda Czink of Hungary at the All England Lawn Tennis Championships at Wimbledon, England, Thursday, June 28, 2012. (AP Photo/Anja Niedringhaus)
