Williams maintained her record of never losing past the quarterfinals in Melbourne , improving to 12-0 . Serena Williams beats Maria Sharapova in the Australian Open final . The tennis star was a late replacement for injured sister Venus at Wimbledon last year and has won three titles since then. Williams wins a 19th major and sixth title at Melbourne Park .
Serena Williams beats Maria Sharapova in the Australian Open final . The tennis star was a late replacement for injured sister Venus at Wimbledon last year and has won three titles since then. Williams wins a 19th major and sixth title at Melbourne Park .