Hamed Pakdel scored the winning goal for the host in the 49th minute.
Sanat Naft could go top of the table even with a draw.
Mes Rafsanjan edged past Nassaji 1-0 in Ghaemshahr thanks to the Mohammad Ghazi’s first-half goal on Matchweek 7.
On Friday, Zob Ahan will host Esteghlal, Tractor play Paykan in Tabriz, Saipa meet Machine Sazi in Tehran, Gol Gohar play Shahr Khodro and Naft Masjed Soleyman face Foolad.
Esteghlal sits top of the table with 11 points, followed by Sanat Naft and Foolad.