Saeid Saharkhizan scored the winner before the halftime in Ahvaz’s Foolad Arena.
Gol Gohar moved up to fifth in the table, six points behind leader Esteghlal.
On Thursday, Aluminum will host Persepolis in Arak, Paykan meet struggling Nassaji in Tehran, Zob Ahan host Malavan, Shams Azar play Esteghlal Khuzestan in Qazvin and Mes face Havadar in Rafsanjan.
Esteghlal will play Sanat Naft in Tehran on Friday.