Team Melli defeated Bangladesh 8-0 in Pool A.
Iran will face Thailand on Wednesday.
The Iranian women team had defeated the Philippines 5-0 on Monday and will play Kazakhstan on Wednesday.
The 2019 Men's Indoor Asia Cup is the eighth edition of the men's Indoor Hockey Asia Cup, the biennial international men's indoor hockey championship of Asia organized by the Asian Hockey Federation.
The competition is being held alongside the women's tournament in Chonburi, Thailand from 15 to 21 July 2019.
Iran’s men team is the defending champion having won the 2017 edition.