Victoria Azarenka survived a scare from Jamie Hampton to march into the fourth round of the Australian Open on January 19, 2013. Photo: AP
Jeremy Chardy stunned former US Open champion Juan del Potro 3-6, 3-6, 7-6, 6-3, 3-6. Photo: AP
Roger Federer (L) claimed straight-sets victory over Bernard Tomic to breeze into the fourth round. Photo: AP
No. 7 Jo-Wilfried Tsonga beat Blaz Kavcic 6-2, 6-1, 6-4 to set up a fourth round meeting with Richard Gasquet. Photo: AP
Bojana Jovanvski signs autographs following her third round win over Kimiko Date-Krumm. Photo: AP
Richard Gasquet fended off Ivan Dodig 4-6, 6-3, 7-6 (2), 6-0 for a fourth round berth. Photo: AP
Serena Williams reached the fourth round thrashing Japanese Ayumi Morita 6-1, 6-3 at the Melbourne Park. Photo: AP
Andy Murray trounced Ricardus Berankus 6-3, 6-4, 7-5 to power into the last 16 at the Australian Open. Photo: AP
Former No. 1 Caroline Wozniacki moved into the fourth round with a 6-4, 6-3 win against Lesia Tsurenko. Photo: AP
Sloane Stephens advanced to the fourth round of a Grand Slam for the second time by defeating Laura Robson 7-5, 6-3. Photo: AP
Elena Vesnina celebrates her 7-6 (4), 6-4 win over Roberta Vinci. Photo: AP
Svetlana Kuznetsova waves after winning her third round match against Carla Suarez Navarro. Photo: AP
Mirka, wife of Roger Federer takes photos on Rod Laver Arena following his third round win over Bernard Tomic. Photo: AP