Australian Open: Day three in pictures

Scottish fans were out in force to see Andy Murray in his second-round match against the world No57 Marc Gicquel Photograph: Cameron Spencer/Getty Images Photograph: Cameron Spencer/guardian.co.uk Murray was in buoyant mood as he took on the Tunisian-born Frenchman Photograph: William West/AFP/Getty Images Photograph: WILLIAM WEST/guardian.co.uk Murray won the first set 6-1 Photograph: Cameron Spencer/Getty Images Photograph: Cameron Spencer/guardian.co.uk ... much to the chagrin of Gicquel Photograph: William West/AFP/Getty Images Photograph: William West/guardian.co.uk Murray wrapped up the second and third sets 6-4 and 6-3 respectively, to confirm his passage through to the third round Photograph: Paul Miller/EPA Photograph: Paul Miller/guardian.co.uk A colourful array of spectators enjoy the action in Melbourne Photograph: William West/AFP/Getty Images Photograph: William West/guardian.co.uk Defending champion Rafael Nadal faced Lukas Lacko of Slovakia in his second-round match Photograph: Torsten Blackwood/AFP/Getty Images Photograph: Torsten Blackwood/guardian.co.uk The six-times grand slam winner had laboured past Peter Luczak in his opening match Photograph: Jason O'Brien/Action Images Photograph: Jason O'Brien/guardian.co.uk But today he scythed his opponent down in straight sets Photograph: Julian Abram Wainwright/EPA Photograph: Julian Abram Wainwright/guardian.co.uk After his 6-2, 6-2, 6-2 win he said: "Second round is always easier to play. You are more adapted to the conditions and everything. Always the debut is more difficult." Photograph: Jason O'Brien/Action Images Photograph: Jason O'Brien/guardian.co.uk Argentina's Juan Martín del Potro was handed a trickier task in the second round, being drawn against the former world No4 James Blake, pictured, of the US Photograph: Quinn Rooney/Getty Images Photograph: Quinn Rooney/guardian.co.uk In a tense encounter Blake, pictured, lost the first set, but recovered to take a two sets to one lead Photograph: Greg Wood/AFP/Getty Images Photograph: Greg Wood/guardian.co.uk Desperate for every point, the pair call in the umpire to settle a dispute Photograph: David Gray/Reuters Photograph: David Gray/guardian.co.uk Del Potro came back to win the fourth set and, after an epic tussle in the fifth, triumphed 10-8 to win the match Photograph: Andy Wong/AP Photograph: Andy Wong/guardian.co.uk Chilean fans show their support for Fernando González against Marsel Ilhan of Turkey Photograph: Quinn Rooney/Getty Images Photograph: Quinn Rooney/guardian.co.uk Louk Sorensen of Ireland lunges for a return against John Isner of the US, but his surprise involvement in the second round ends badly as he is beaten in straight sets 6-3, 7-6, 7-5 Photograph: Paul Crock/AFP/Getty Images Photograph: Paul Crock/guardian.co.uk Zahlavova Strycova of the Czech Republic returns a shot against Dinara Safina of Russia Photograph: Francis R. Malasig/EPA Photograph: Francis R. Malasig/guardian.co.uk Though Safina was untroubled, winning 6-3, 6-4 Photograph: Jason O'Brien/Action Images Photograph: Jason O'Brien/guardian.co.uk Britain's Katie O'Brien stands dejected after losing to the former world No1 Jelena Jankovic, 6-2, 6-2 Photograph: Jon Buckle/PA Photograph: Jon Buckle/guardian.co.uk Andy Roddick cushions the ball on his racket in a perfunctory win over Thomaz Bellucci of Brazil Photograph: David Gray/Reuters Photograph: David Gray/guardian.co.uk Gaël Monfils of France returns to Antonio Veic of Croatia. He won all three sets 6-4 Photograph: Andrew Brownbill/AP Photograph: Andrew Brownbill/guardian.co.uk The heat becomes too intense for some fans ... Photograph: Greg Wood/AFP/Getty Images Photograph: Greg Wood/guardian.co.uk ... while the pressure is too much for some players. Here, Flavia Pennetta of Italy grasps her face during her defeat to Yanina Wickmayer of Belgium Photograph: William West/AFP/Getty Images Photograph: William West/guardian.co.uk Justine Henin's comeback gathers pace as she beats Elena Dementieva, the No5 seed, 7-5, 7-6 in a gripping encounter Photograph: John Donegan/AP Photograph: John Donegan/guardian.co.uk