Human rights groups say at least 448 people, including 60 children, have been killed by security forces since protests broke out over Mahsa Amini's death.
FIFA banned team captains from wearing an armband in support of LGBTQ rights as a stand against World Cup host country Qatar, which has the death penalty for homosexual acts.
The Iranian national team stayed silent when the national anthem played before its match against England. Fans in the crowd also held up signs and photos of protesters killed by security forces.