Rodríguez won the 2001 FIFA World Youth Championship with the Argentine under-20s on home soil, scoring four goals in seven matches including the first and last for the eventual winners [REF].
After being part of the 2005 FIFA Confederations Cup squad, Rodríguez was called for the 2006 FIFA World Cup by national boss José Pékerman and, on 16 June, he scored twice in Argentina's 6-0 victory over Serbia and Montenegro in the group stage [REF].