Former world No . 3 Rafael Nadal reaches singles final in Vina comeback tournament . Spaniard will seek his 37th clay-court title as he faces Roger Federer in Chile del Mar . Nadal can complete a Chilean conquest in the following doubles final on Sunday . Roger Federer to return to action Sunday as he defends his title in Rotterdam .
Former world No . 1 Rafael Nadal reaches singles final in Chile comeback tournament . Spaniard will seek his 37th clay-court title as he faces Horacio Zeballos in Vina del Mar . Nadal can complete a Chilean conquest in the following doubles final on Sunday . Roger Federer to return to action this week as he defends his title in Rotterdam .