Rod Laver Arena is treated to an absorbing opener as Serena Williams produces a gritty fightback against Nadia Petrova

It is agony for Petrova, who watches a lead of a set and break slip away against the former champion

Williams shows glimpses of her very best form as she grinds out a three-set victory over the fifth seed Petrova

The in-form Jelena Jankovic overpowers Victoria Azarenka to set up an intriguing fourth-round clash with Serena Williams

Third seed Svetlana Kuznetsova overcomes a spirited challenge from fellow Russian Maria Kirilenko

Kirilenko impresses the style-conscious in her Stella McCartney-designed outfit but the Russian goes out 6-1, 6-4

The retiring Wayne Arthurs bids a tearful farewell to the Aussie Open after injury forces him to quit his match

Long-time favourite Wayne Arthurs leaves the Margaret Court Arena for the last time to a standing ovation

Defending champion Roger Federer wastes little time getting past Russian Mikhail Youzhny, beating him in straight sets

World number two Amelie Mauresmo takes just over an hour to dispatch 22-year-old Czech Eva Birnerova 6-3 6-1

Gael Monfils receives treatment courtside but it is not enough to stop him losing to fellow countryman Richard Gasquet

Former champion Marat Safin shows his frustration as sixth seed Andy Roddick takes the first set in their encounter

It is Andy Roddick's turn to berate himself as Safin takes advantage of errors by Roddick to clinch the second set

But Roddick keeps his composure to knock out Safin by taking the next two sets in a tight and thrilling match