Iran’s Matin Aghajanpour collected 17 points, while Saudi Arabia’s Mathna Hassan A Almarwani earned 14 points.
Iran had previously defeated Saudi Arabia 81-66 in Group A.
A record high of nearly 12,500 athletes from 45 countries and territories compete across 40 sports in the 2022 Asian Games.
Iran has sent 289 male and female athletes to the Games in 34 sports events.