The Iranian outfit beat Belgium 4-2 at the Amadeu Teixeira Hall in Manaus, Brazil in Group C. Uruguay also routed the United States 7-0 in this group.
Iran will play the United States on Tuesday while Uruguay face Belgium.
The Grand Prix de Futsal is an international futsal competition of the same kind as the FIFA Futsal World Cup but with invited nations and held annually in Brazil. It was first held in 2005.