Rafael Nadal defeated Federico Delbonis in straight sets to move into the third round of the Australian Open. Nadal could have finished his night early at the Australian Open. But the top seed did not deter much to muscle his way into the third round in Melbourne with a commanding straight-set victory over Argentine Federico Delbonis. The top seed faced sharp competition in the first two sets - but made it easy in the third round. Rafael Nadal advanced to the third round of the Australian Open after a 6-3, 7-6, 6-1 win over Delbonis.