MELBOURNE, AUSTRALIA - JANUARY 23: Serena Williams of the United States of America plays a backhand in her Quarterfinal match against Sloane Stephens of the United States of America during day ten of the 2013 Australian Open at Melbourne Park on January 23, 2013 in Melbourne, Australia. (Photo by Mark Kolbe/Getty Images)
MELBOURNE, AUSTRALIA - JANUARY 23: Serena Williams of the United States of America plays a backhand in her Quarterfinal match against Sloane Stephens of the United States of America during day ten of the 2013 Australian Open at Melbourne Park on January 23, 2013 in Melbourne, Australia. (Photo by Mark Kolbe/Getty Images)
