Australian Open 2012: day one – in pictures

Australian fans in full body morphsuits of their national flag colours dance before a match on Margaret Court Photograph: How Hwee Young/EPA

Caroline Wozniacki, the world No1, stretches to make a return during her women's singles first-round win over Anastasia Rodionova of Australia Photograph: NICOLAS ASFOURI/AFP/Getty Images

Alize Cornet of France hits a forehand during her defeat to Monica Niculescu of Romania Photograph: Paul Crock/AFP/Getty Images

Great Britain's Elena Baltacha struggles to match the quality of France's Stéphanie Foretz Gacon during her 6-2, 6-4 loss Photograph: PA Wire/PA

Fans sing as Sofia Arvidsson of Sweden gets ready to play after a break between games in her match against Olivia Rogowska of Australia Photograph: Mark Blinch/Reuters

Tennis fans watch a match on a big screen while enjoying the sunshine outside the Rod Laver Arena Photograph: How Hwee Young/EPA

Britain's Heather Watson makes a forehand return to Victoria Azarenka, the world No3 Photograph: Andrew Brownbill/AP

But Watson wilted in the heat and succumbed to a heavy 6-1, 6-0 defeat Photograph: PA Wire/PA

Musicians perform as photographs are projected on to the surface of the court ahead of the first-round men's singles match between Roger Federer and Alexander Kudryavtsev of Russia Photograph: William West/AFP/Getty Images

Britain's James Ward slices a return on his way to defeat against Slovakia's Blaz Kavcic Photograph: PA Wire/PA

Rafael Nadal prepares to serve in the late afternoon light during his opener against Alex Kuznetsov Photograph: Rick Rycroft/AP

Meanwhile, Federer finds his range on the way to a straight-sets victory Photograph: William West/AFP/Getty Images

Members of the crowd reach for Federer's headband, which was probably pretty dry seeing as he didn't have to work particularly hard to win Photograph: Tim Wimborne/Reuters