Up-and-coming American Sloane Stephens shocks Serena Williams out of the women's quarterfinal in three sets on Rod Laver Arena, 3-6 7-5 6-4.
Victoria Azarenka comes back from a 1-4 deficit in the first set to overcome Svetlana Kuznetsova 7-5 6-1 and secure a spot in the women's semifinal.
