Maral Torkaman scored two goals as well as goals from Fatemeh Rahmati and a Russian player.
Team Melli Banovan’s first match against Russia had ended 2-2 on Thursday.
The matches were held in Tula, Russia, as part of preparation for the 2025 FIFA Futsal Women's World Cup.
Iran has been drawn in Group D of the inaugural World Cup along with Brazil, Italy and Panama.
The competition will be held from November 21 to December 7 in Pasig City, Manila, the Philippines.