Australian Open 2011: Day 11 in pictures

Novak Djokovic plays a forehand in his semi-final against Roger Federer Photograph: Quinn Rooney/Getty Images Federer feels the heat as Djokovic puts on the pressure in the first set Photograph: Petar Kujundzic/Reuters Djokovic goes on to win in straight sets and throws his shoes into the crowd after the match ... Photograph: Clive Brunskill/Getty Images ... and a lucky punter gets a very early Christmas present Photograph: Petar Kujundzic/Reuters Federer leaves this year's tournament disappointed Photograph: DENNIS M. SABANGAN/EPA Caroline Wozniacki returns against Li Na in their semi-final Photograph: Dennis M. Sabangan/EPA Li toughs it out despite finding herself a set down Photograph: Paul Crock/AFP/Getty Images Li's fans urge her on Photograph: JOE CASTRO/EPA Wozniacki looks uncomfortable as Li stages a comeback from matchpoint down Photograph: Shuji Kajiyama/AP The fans five their verdict on a winner Photograph: Franck Robichon/EPA Li gets into her stride Photograph: Vincent Thian / Ap Pool/EPA Li celebrates her victory – she is the first Chinese player to make the singles final of a grand slam Photograph: Reuters Vera Zvonareva was in action against Kim Clijsters in the other semi-final Photograph: David Gray/Reuters Zvonareva returns a Clijsters serve Photograph: Paul Crock/AFP/Getty Images Clijsters looks as formidable as ever Photograph: Jason O'Brien/Action Images Clijsters celebrates victory. She has never won the Australian Open Photograph: Ryan Pierse/Getty Images Great Britain's George Morgan made the boys' semi-finals Photograph: PA Wire/PA David Ferrer relaxes on the beach before tomorrow's semi-final against Andy Murray Photograph: Fiona Hamilton / Pool/EPA Murray doesn't make it as far as the beach but still looks relaxed Photograph: Julian Finney/Getty Images