Maryam Khalilifar (three goals), Yasna Jafarnia (two goals) and Setina Forouzanfar scored for Iran.
Iran will play Uzbekistan and Tajikistan on Thursday and Saturday, respectively.
The 2024 CAFA U-15 Girls Championship is the fourth edition of the event, the biennial international women's football youth championship of Central Asia organized by the Central Asian Football Association (CAFA) for the women's under-15 national teams of Central Asia.
The tournament takes place in Dushanbe, Tajikistan, from May 21 to 25.
The CAFA Youth Championship, is an international association football competition contested by the youth (U-14 to U-17) national teams of the members of CAFA, the governing body of football in Central Asia.