Tasnim - Iran Professional League (IPL) leader Persepolis football team lost to Sanat Naft 1-0 in Abadan on Saturday.
Ali Abdollahzadeh scored the only goal of the match with a header in the 40th minute.
Elsewhere in Tehran, Esteghlal edged past Foolad 1-0 thanks to a Mohsen Karimi’s 71st minute goal.
The Blues moved up to second place with this home win.
Tractor Sazi moved down to third place after drawing 1-1 with Gostaresh Foolad in Tabriz derby.
Sepahan also defeated 10-man Saipa 3-1 in Isfahan.
With five weeks remaining, Persepolis leads the table with 56 points.
Esteghlal is second on goal difference with 47 points.