In the match held at the Azadi Stadium, the blue team overpowered the minnows and advanced to the next stage.
Meanwhile, Esteghlal was beaten by Persepolis 2-1 in the Tehran derby last week in the Iran Professional League.
Elsewhere in another IEC match, Steel Azin defeated Sepahan Novin of Isfahan and also qualified for the next stage.
Esteghlal will play against Steel Azin in the eighth-round of the IEC.