Philipp Kohlschreiber of Germany plays a return during his match against Spain's 

Philipp Kohlschreiber of Germany plays a return during his match against Spain's Rafael Nadal at the Monte Carlo Tennis Masters tournament in Monaco, Thursday, April 18, 2013. (AP Photo/Lionel Cironneau)
Associated Press
Philipp Kohlschreiber of Germany plays a return during his match against Spain's Rafael Nadal at the Monte Carlo Tennis Masters tournament in Monaco, Thursday, April 18, 2013. (AP Photo/Lionel Cironneau)
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