Tennis: day four of the Australian Open

Prince William was among the spectators at the Rod Laver Arena to see Roger Federer play
Photograph: Tim Wimborne/Reuters

The Swiss star faced the towering Romanian Victor Hanescu - a 6ft 6in clay-court specialist - but was seldom troubled throughout the match
Photograph: EMPICS Sport

In fact, Federer never had his serve broken as he won 6-2, 6-3, 6-2
Photograph: Ryan Pierse/Getty Images

Federer said afterwards: "It's a pleasure playing in front of Prince William. From what I've heard, I think he met Serena Williams and myself, and came to watch my match."
Photograph: Paul Crock/AFP/Getty Images

Novak Djokovic of Serbia was given a sterner test by Marco Chiudinelli of Switzerland
Photograph: Mast Irham/EPA

Chiudinelli won the first set 6-3 before Djokovic came back to win the next three sets 6-1, 6-1, 6-3
Photograph: Jason O'Brien/Action Images

Djokovic signs autographs after an uninspiring victory
Photograph: David Gray/Reuters

Home favourite Lleyton Hewitt beat Donald Young 7-6, 6-4, 6-1. He'll now face Marcos Baghdatis in the next round, with whom he fought an unforgettable five-set match in 2008 which carried on past 4am
Photograph: Quinn Rooney/Getty Images

Nikolay Davydenko looks pensive against Illya Marchenko of Ukraine, although this expression belied the ease of his win. He triumphed 6-3, 6-3, 6-0
Photograph: Ryan Pierse/Getty Images

Britain's Laura Robson, on her 16th birthday, partners up with Sally Peers of Australia in their first round doubles match against Jill Craybas and Abigail Spears of the USA. Robson celebrates with a 6-3, 7-5 win
Photograph: Quinn Rooney/Getty Images

Argentina's Gisela Dulko reacts during her match against Ana Ivanovic
Photograph: Vivek Prakash/Reuters

Ivanovic wins the first set but concedes the second. She looks unnerved as this match goes into a deciding set
Photograph: Vivek Prakash/Reuters

And the Serbian duly crashes out 6-7, 7-5, 6-4
Photograph: Vivek Prakash/Reuters

A line judge watches intently as Sybille Bammer of Austria plays Venus Williams of the United States
Photograph: Franck Robichon/EPA

Williams won the contest 6-2, 7-5
Photograph: Jason O'Brien/Action Images

Jo-Wilfried Tsonga of France hits a return against Taylor Dent of the United States on the way to a 6-4, 6-3, 6-3 win
Photograph: Daniel Munoz/Reuters

Mikhail Youzhny of Russia reacts after with a curious salute after defeating the Czech Republic's Jan Hajek 6-2, 6-1, 6-1
Photograph: Tim Wimborne/Reuters