Esteghlal defeated Foolad 2-1 in Ahvaz thanks to goals from Amirhossein Hosseinzadeh and Adel Hardani. It had not won the title since the 2012/13 season.
Alireza Kushki scored the hosts’ sole goal in the dying moments of the match.
In Sirjan, Persepolis suffered a 2-1 loss against Sepahan.
With three matches to spare, Esteghlal won the title with 63 points. Persepolis are second with 54 points, followed by Sepahan with 52 points.