Three-times former champion Martina Hingis is briefly behind in the first set of her third-round match against Iveta Benesova

But Benesova crumbles at 4-4 in the first set and that allows Hingis to take complete control

And Hingis' 6-4 6-1 win means she has dropped only 10 games so far in her first Grand Slam since 2002

Promising 16-year-old Nicole Vaidisova wastes little time in the searing Melbourne heat, beating Flavia Pennetta 6-4 6-2

Anastasia Myskina is in typically changeable mood - but still posts a 6-3 6-1 win over Sofia Arvidsson of Sweden

Affable Frenchman Sebastien Grosjean manages a smile in his tense four-set win over sixth seed Guillermo Coria

But there are tears on Rod Laver Arena as Michaella Krajiek retires against Amelie Mauresmo with heat stress

One spectator has the right idea and heads for the Garden Square fountain to cool down as the temperature hits 40C

The heat is not enough to stop marathon man Dominik Hrbaty - who wins his third straight five-set match

Max Mirnyi has the unenviable task of facing Roger Federer in the third round and loses the first set 6-3

The World Number One soon wraps up the rest of the match taking the next two sets 6-4 6-3, to reach the fourth round