Australian Open 2011 - day six in pictures

It's another hot day in Melbourne and the full house is expecting some exciting action Photograph: Paul Crock/AFP/Getty Images

Drills rather than racquets are needed on the court of the Hisense Arena as officials repair the surface during the Robin Soderling v Jan Hernych which Soderling won in straight sets, 6-3, 6-1, 6-4 Photograph: Quinn Rooney/Getty Images

Guillermo Garcia-Lopez starts his game against Andy Murray with a statement of intent by playing a between the legs flick down the line to win the third point of the game ... Photograph: Scott Barbour/Getty Images

However, Murray's class starts to shine through and he takes control of the match Photograph: Mark Dadswell/Getty Images

The British No1 is through to the last sixteen where he'll meet Jürgen Melzer, and if he overcomes the Austrian he's on course to meet Rafael Nadal in the Semis. Photograph: Lucas Dawson/Getty Images

Rafael Nadal stretches to make a backhand return to Bernard Tomic during the Spaniard's 6-2, 7-5, 6-3 victory Photograph: Petar Kujundzic/Reuters

Fans show their support for Marcos Baghdatis in his game against Jürgen Melzer ... Photograph: Quinn Rooney/Getty Images

Their support spurs him on and Baghdatis takes the first set on a tie break.. Photograph: Yuriko Nakao/Reuters

... but Melzer comes back to take the next two sets easily, 6-2 and 6-1. He's leading the fourth 4-3 when Baghdatis retires injured and the Austrian will be facing Andy Murray in the last 16 Photograph: Rob Griffith/AP

Henri Leconte plays a stroke with an oversize racquet as he partners Patrick Rafter during their legends doubles exhibiton match against Wayne Arthurs and Pat Cash. Maybe he'll lend it to Andy Murray if the British No1 meets Nadal in the semi Photograph: William West/AFP/Getty Images

Marin Cilic is bathed in early evening sunshine as during his five set (4-6, 6-2, 6-7, 7-6, 9-7) victory over John Isner Photograph: Mick Tsikas/Reuters

Droplets spray from the hair of Petra Kvitova during her 7-6, 6-3 victory over home favourite Samantha Stosur Photograph: Greg Wood/AFP/Getty Images

Kim Clijsters fires a backhand return to Alize Cornet during her straight sets 7-6, 6-3 victory Photograph: Andrew Brownbill/AP

A graceful and athletic return by Flavia Pennetta to Shahar Peer Photograph: Rob Griffith/AP

...but Peer's power didn't help her as Pennetta won the match 3-6, 7-6, 6-4 Photograph: William West/AFP/Getty Images

Vera Zvonareva concentrates during her 6-3, 7-6 victory over Lucie Safarova Photograph: Andrew Brownbill/AP