Nadal and teammate David Ferrer, and Argentine pair Juan Martin del Potro and Juan Monaco were all tested on Saturday. Spanish doubles player Fernando Verdasco criticized the timing, saying it ...

Nadal, who pulled out of the year's last Grand Slam tournament because of knee trouble, is scheduled to face 2009 U.S. Open champion Juan Martin del Potro in the BNP Paribas Showdown at Madison ...