The Iranian team, who started the event with a 67-63 win over Germany, beat African champion Morocco 75-46 at the Wilhelmsburger Inselparkarena in Hamburg, Germany.
Iran, who has been drawn in Pool A, will face Canada on Monday.
Pool B includes USA, South Korea, Poland and Great Britain.
Turkey, Brazil, Japan, and Italy are in Pool C and Pool D comprises Australia, Argentina, Spain and the Netherlands.
The International Wheelchair Basketball Federation (IWBF) World Championships for both men and women take place from August 16–26, 2018 in Hamburg, Germany.
The 2018 IWBF World Championships feature 16 men’s teams and 12 women’s teams vying for the world title.