The left-hander featured in a 123-run stand with Tom Bruce for the fifth wicket at Bay Park. Bruce was unbeaten on 59 off 39 balls at the close.
Bangladesh, who need to win to keep the series alive, made the best possible start with Luke Ronchi dismissed first ball.
But that brought Munro to the wicket and he pounded the boundaries with seven sixes and seven fours, taking 28 off Mahmudullah’s second over.
PTI