World No. 1 Rafael Nadal led Spain to the semi-finals while Novak Djokovic-led Serbia crashed out of the ongoing Davis Cup Finals. Nadal tallied a singles win and partnered with Marcel Granollers to a doubles victory in the country's 2-1 triumph against Argentina. Guido Pella began on Friday evening by rallying past Pablo Carreno Busta 6-7(3), 7-6(4), 6-1.