After winning the toss, Pakistan asked Sri Lanka to bat first. Arshad Iqbal gave the Green Shirts an early breakthrough when he removed Nipun Dananjaya cheaply at an aggregate score of six.
The Islanders kept losing wickets at regular intervals, they were 72/5 when Jehan Daniel and Ashen Bandara joined hands to contribute 78 runs together.
Pakistan restricted Sri Lanka to 188 after skipper Hassan Khan won the toss and opted to bowl. Opening bowlers Arshad Iqbal and Musa had Sri Lanka in trouble early on.
Suleman Shafqat stood out with three wickets, while the previous fixture’s man-of-the-match Shaheen Shah Afridi claimed crucial two wickets.
A sure-footed half-century from Ali Zaryab (59), and a 45-ball unbeaten 24 from Hassan Khan carried Pakistan across the line with three wickets in hand.
The team chased down the target in 43.3 overs, ending at 190/7. Ali Zaryab was named man-of-the-match.
Reigning U-19 Asia Cup champions Afghanistan have also secured the quarterfinal berth.