Iranians snatched a 4-2 victory over Japan in their last encounter at the tourney on Tuesday, Mehr News Agency reported.
In it two previous meets, Iran earned a drew against Kazakhstan and lost to host Thailand.
Hosted by the capital city of Bangkok, the four-nation tournament lasted for six days from August 18-23.
It served as a warm-up for the 2016 FIFA Futsal World Cup to be held in Colombia during September 10 and October 1.
Iran has been seeded against Azerbaijan, Morocco and Spain in Group F of the world cup.