Mehdi Shirmohammadi, Mohammadali Mokhtari and Mohammad Moradi scored two goals each. Mostafa Kiani and Amirhossein Akbari also were on target.
Iran will face Japan and Russia on Wednesday and Thursday respectively in Group B of Beach Soccer Intercontinental Cup.
Abbas Hashempour’s side will be the competition’s most decorated team if win the title for the fourth time.
It should be noted that Brazil and Russia have won the title three times each.