She lost to her Chinese rival Qing Guo 2-0 in the women’s 49kg weight class.
Nematzadeh had defeated Veronica Garces from the Philippines 2-0 and Kazakhstan’s Botakoz Kapanova 2-0 in her previous matches.
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.