Rafael Nadal contributes exclusively to CNN 's Open Rankings . World Tennis says 2010 has been a dream so far . He says he was n't sure if he would ever get back to top of tennis after knee injury . He credits his family for giving him a normal life .
Rafael Nadal speaks exclusively to CNN 's Open Court . World number says 2010 has been a dream so far . Spaniard says he was n't sure if he would ever get back to top of game after knee injury . Nadal credits his family for giving him a normal life .