Shakib made five off four while Iftikhar made a run-a-ball 10 before getting dismissed by Muktar Ali and Nasir Hossain respectively.
Thankfully for Barishal, Anamul, Mahmudullah and Janat stepped up and made sure they posted a competitive total.
For Amir Hamza was the pick of the bowlers, finishing with 2-22.
Earlier, Barishal won the toss and opted to bat first.