Raphael Silva gave visiting team Esteghlal a lead in the 42nd minute but Ivan Toney leveled the score form the penalty spot.
Mohammad Hossein Eslami restored the lead for the club from Tehran in the 52nd minute, however he was sent off in the 81st minute for a foul on Saad Yaslam.
Two minutes later, Toney scored once again from the spot to make the scoreboard 2-2.
Al Ahli went into the game having already confirmed its progress to the last 16 and the draw takes Matthias Jaissle’s side onto 16 points from six games while Esteghlal moves on to five points with two matches remaining.