Britain's Alan Mackin suffers in the heat as he loses 6-4 6-4 6-2 to Nicolas Lapentti on day two at Melbourne Park

World number 62 Camille Pin gives top seed Maria Sharapova a huge scare on the Rod Laver Arena

Sharapova is another player to struggle with the temperature but she eventually scrapes through 6-3 4-6 9-7

Last year's semi-finalist David Nalbandian is on the brink of defeat against Janko Tipsarevic on the Margaret Court Arena

But despite leading by two sets and a break at one stage, Tipsarevic is another victim of the heat and retires in the fifth

Spectators cool down in Garden Square as play on the outside courts is suspended

Second seed Rafael Nadal takes the chance to cool off - or maybe show off - on his way to beating Robert Kendrick

Belgian Kim Clijsters, who won the Sydney title last week, powers to an easy 6-0 6-0 victory against Vassilissa Bardina

Switzerland's three-time champion Martina Hingis also has an easy win, hammering France's Nathalie Dechy 6-0 6-2

British number one Andy Murray produces a stunning display to knock out Alberto Martin 6-0 6-0 6-1 in only 70 minutes

Martin tries to make sense of his crushing loss to Murray - the heaviest defeat at the Aussie Open in the Open era

Unseeded Michael Russell quietens the patriotic crowd by taking the first two sets against Lleyton Hewitt

But Australian favourite Lleyton Hewitt finds his form and roars back to clinch the next three sets to win