Spanish superstar Rafael Nadal has pulled out of the London 2012 olympic games with a knee injury.

The world n.o3 is suffering from tendinitus, the same knee problem that saw him miss most of the 2009 season.

The last  match Nadal played was in round two at the All England Club when the world number 100, Lukas Rosol beat the Spaniard in five sets to cause one of the biggest upsets in Wimbledon history.

With news of his latest stint of the condition, it could be that the two-time Wimbledon champion was not at full fitness when he lost to Rosol, prompting his uncharacteristic five set defeat, only the fourth ever in his career.

Similarly in 2009,  the match prior to his first spell of tendinitus was the infamous defeat to Robin Soderling at Rolland Garros.

This still remains his only defeat on the french clay to this day.

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