Paatoop - The Red Wolves of Tabriz defeated Esteghlal 1-0 in Yadegar-e-Emam Stadium.
A single goal from Mohammad Ebrahimi helped Tractor Sazi take the number-two spot from Esteghlal.
With only two games left this season, Tractor Sazi and Esteghlal are now second and third in the Iran Pro League, with 53 and 51 points respectively.
Elsewhere, Siah Jamegan lost 2-1 in Mashad to Paykan; Saba lost 1-0 to Sepahan in Qom; Foolad lost 3-1 to Esteghlal Khuzestan; Saipa lost 2-0 at home to Sanat Naft; Zob Ahan defeated Mashin Sazi 2-1 in Fooladshahr; and Gostaresh vs Naft ended in a goalless draw.