Australian Open: day eight - Murray crashes out

Andy Murray plays a forehand to Fernando Verdasco during their fourth round clash at the Australian Open Photograph: Ezra Shaw/Getty

Verdasco returns to the ailing Scot Photograph: Clive Brunskill/Getty

Murray, silhouetted, swipes another backhand towards the Spaniard Photograph: Ezra Shaw/Getty Images

With pressure mounting, Murray reacts angrily after losing a point Photograph: Petar Kujundzic/Reuters

Verdasco celebrates a thrilling victory over Murray: 2-6, 6-1, 1-6, 6-3, 6-4 Photograph: Paul Crock/AFP

Elsewhere in Melbourne, Rafael Nadal serve to Fernando González Photograph: Daniel Munoz/Reuters

González throws his racket after a point in his fourth-round match against Nadal Photograph: Mark Dadswell/Getty

Nadal celebrates winning his match against González Photograph: Mick Tsikas/Reuters

France's Gael Monfils embraces compatriot Gilles Simon after Simon won their match; Monfils retired with a wrist injury Photograph: Tim Wimborne/Reuters

Spain's Anabel Medina Garrigues serves to compatriot Carla Suarez Navarro Photograph: Darren Whiteside/Reuters

Serena Williams of the USA looks on between games in her fourth-round match against Victoria Azarenka of Belarus Photograph: Cameron Spencer/Getty

Azarenka approaches the net to retire, while leading in her game against Williams Photograph: William West/AFP

China's Zheng Jie falls over on the court in her game against Russia's Svetlana Kuznetsova. Zheng, seeded 22, had her left wrist strapped early in the first set and was unable to continue a short time later, with Kuznetsova leading 4-1 Photograph: Paul Crock/AFP