Aluminum midfielder Mahmoud Ghaed Rahmati gave the host the lead in the 14th minute with a powerful left-footed shot but his goal was canceled out by Isa Moradi in the 28th minute.
In Ghaemshahr, Nassaji came from behind to draw 1-1 with Esteghlal.
Arsalan Motahari was on target for Esteghlal in the 53rd minute but Ayub Kalantari leveled the score from a superb set-piece in the 68th minute.
Mes Rafsanjan defeated Havadar 1-0 in Tehran. Mehrdad Rezaei found the back of the net in the 43rd minute.
Tractor beat struggling Sanat Naf 3-1 courtesy of a brace from Reza Asadi in the first half and a goal from Mehdi Hashemnejad. Mehdi Mamizadeh scored a late consolation goal for Sanat Naft.
Sepahan sits top of the IPL table with 43 points, one point above Persepolis.