Factbox on some of the injuries that have dogged Rafa Nadal's career.

* Nadal misses what would have been his first French Open in 2004 after suffering a stress fracture in his left ankle.

* A foot injury prevents him from competing in the 2005 year-ending Tennis Masters Cup in Shanghai and the 2006 Australian Open.

* He withdraws from the 2008 Tennis Masters Cup, citing tendinitis of the knee.

* Suffering from tendinitis, he pulls out of the Queen's Club grass-court tournament in London in 2009 and was the first man not to defend his Wimbledon title since Croatia's Goran Ivanisevic skipped the grasscourt Grand Slam in 2002.

* He suffers an abdominal pull at the 2009 US Open and loses in the semifinal to Argentina's Juan Martin del Potro.

* The same knee injury that kept him out of Wimbledon forces him to withdraw from the 2010 Australian Open during his quarterfinal match with Britain's Andy Murray.

* A hamstring strain impedes his efforts at the 2011 Australian Open and he is beaten in the quarterfinals by fellow Spaniard David Ferrer.

* An injury to his left knee forces him to withdraw from his Miami Masters semifinal against Murray in March.

* Nadal says he will not defend his singles title at the London Olympics after failing to recover from a knee injury.