The Green Shirts dominated the game from the outset, with Asam Haider netting a hat-trick in the first half.

Teammates Abdullah Awan, Zubair Latif, and Atif Ali each contributed a goal, giving Pakistan a commanding lead before the break.

In the second half, Adeel scored twice in quick succession, while Atif Ali added his second of the game, sealing the comprehensive victory.

The Sri Lankan side failed to score throughout the match.

Pakistan will play its third match against Bangladesh on July 8 and face hosts China in its final pool game on July 9.