<div><p>MADRID (Reuters) - Spaniard Rafa Nadal will be out of action for two weeks because of a minor tear to a tendon in his right knee, doctor Angel Ruiz Cotorro said in a statement on Friday after completing a scan on the player in Barcelona.</p><p>The injury forced the 23-year-old to retire from his quarter-final against Andy Murray at the Australian Open on Tuesday.</p><p>Nadal will undergo treatment before gradually returning to training over the following two weeks, and has pulled out of the Rotterdam tournament due to start on February 8.</p><p>"As I said in Melbourne after the game... I knew the injury wasn't the same as the one I suffered last year," Nadal said in the statement.</p><p>"I am feeling well and am only thinking about how long it will take me to recover. I am disappointed to be missing the Rotterdam tournament. It is an event I would like to have won as I nearly did last year.</p><p>"I'm not overly worried about my ranking... all I want to do is to feel good on the court again, something I had achieved in Abu Dhabi, Doha and Melbourne where I was competing to a high standard."</p><p>Nadal missed almost two months of the season last year with knee problems.</p><p>(Writing by Mark Elkington; Editing by Justin Palmer)</p><img src="http://admatch-syndication.mochila.com/images/ad.gif?aid=68030163&bid=informcom" /></div><div id="copyright"><div>

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