Victoria Azarenka beat Svetlana Kuznetsova 7-5, 6-1 to move into the semifinals of the Australian Open on January 23, 2013. Photo: AP
Roger Federer defeated Jo-Wilfried Tsonga (R) 7-6 (7/4), 4-6, 7-6 (7/4), 3-6, 6-3 and will meet Andy Murray in the semifinal. Photo: AP
Sloane Stephens upset Serena Williams with a 3-6, 7-5, 6-4 win to reach her first Grand Slam semifinal at the Australian Open. Photo: AP
Andy Murray reached his fourth consecutive semifinal at the Australian Open with a 6-4, 6-1, 6-2 defeat of Jeremy Chardy. Photo: AP
Serena Williams waves to the crowd as she leaves the Rod Laver Arena after losing her quarterfinal match to Sloane Stephens. Photo: AP
American rapper Redfoo watches the quarterfinal between Victoria Azarenka and Svetlana Kuznetsova. Photo: AP
Jo-Wilfried Tsonga leaves Rod Laver Arena after losing his quarterfinal match against Roger Federer. Photo: AP
Mirka, wife of Roger Federer smiles after watching her husband defeat Jo-Wilfried Tsonga. Photo: AP