Esteghlal was rescued by Behnam Barzay in its away match against Sepahan, while Tractor Sazi maintained pressure on Iran Professional League (IPL) leader Persepolis by defeating Naft Tehran.
In Iran's central city of Isfahan, Esteghlal drew 1-1 with Sepahan at the Naqsh-e Jahan Stadium.
Jalaleddin Alimohammadi gave Sepahan a lead in the 70th minute with a powerful right footed.
Esteghlal levelled the score in the 92nd minute with a Barzay’s header.
Elsewhere, Tractor Sazi defeated Naft Tehran 2-0 in Tehran’s Takhti Stadium.
Mehdi Sharifi and Mohammad Nouri scored for the visiting team in the 63rd and 72nd minutes, respectively.
Tractor Sazi reduced the gap with Persepolis to just a two points after 15 matches.
Machine Sazi and Saipa match was cancelled due to inclement weather conditions in Iran's northwestern city of Tabriz.