Montrose were sent out of the League Cup after Morton scored a late double to give them a comfortable win over the Links Park side.
The Championship side dominated the first half but the visitors almost broke the deadlock when Lloyd Young lashed an effort against the crossbar.
Morton’s Kabba-Modou Cham scored the opening goal while Marc Fitzpatrick headed a second from close range.
Reece Hands and Aidan Fulton both converted from inside the penalty area as Morton marched into the third round.
Full match report to follow.