Masoud Yousef, Hossein Tayebi, Mehdi Karimi, Hossein Sabzi and Behrouz Azimi were on target for the Iranian team.
Iran, who lost to Russia 2-1 in its opening match, will play Thailand on Saturday.
The high-stakes four-team futsal tournament is taking place from April 9-12, 2025, at Terminal Hall, Terminal 21 Korat, Thailand.
This tournament serves as preparation for the AFC Futsal Asian Cup 2026 Qualifiers (September 16-24, 2025).