Iran opposite Porya Yali led all scorers on the board with 15 points. Amir Hossein Toukteh, Amirhossein Esfandiar and Morteza Sharifi contributed nine points each.
Iran will play China on Monday in Pool D.
The tournament is being hosted by Bahrain in the cities of Riffa and Isa Town from 18 to 27 August 2017.
Host Bahrain is in Pool A, with the USA, Puerto Rico, Egypt and Tunisia. Pool B consists of Poland, Brazil, Cuba, Japan and France. Argentina, silver medalist in 2015 has been drawn in Pool C, along with Russia, China, Korea and Turkey. Pool D features Iran, European heavyweight Italy, Mexico, China and the Czech Republic.