Ayoub Vali scored the first goal in the 22nd minute and Hassan Beyt Saeid extended the lead in the added time.
Naft Masjed Soleyman drew 0-0 with Zob Ahan and stretched its unbeaten run to 12 games in the current season.
Pars Jonoubi was held to a 1-1 draw by rock-bottom Shahin Bushehr.
On Saturday, Sepahan will entertain Esteghlal in Isfahan’s Fooladshahr Stadium and IPL leader Shahr Khodro meet Sanat Naft in Mashhad.
Persepolis was scheduled to host Nassaji in Tehran’s Azadi Stadium on Saturday but the match was postponed due to air pollution.
Paykan and Trcator Match has been also postponed for the same reason.