The Al Nassr custodian was given a test after only two minutes but Mona Alowais was up to the task, tipping away a dangerous Nutwadee Pram-nak volley from outside the box.

Nesrine Bahlouli then gave College of Asian Scholars a big scare in the 14th minute, the French forward dancing her way past three markers to surge into the box but pulled her effort against the side netting.

The Thailand side crafted the opener nine minutes later when Orapin Waenngoen broke free on the right, her low cross delicately chipped home by Kanyanat Chetthabutr over a stranded Alowais.

Al Nassr had opportunities to draw level before half-time but efforts from Shuruq Alhwsawi and Kathellen were well covered by College of Asian Scholars custodian Thichanan Sodchuen.

After a cagey opening to the second half, it was the Southeast Asian side who came close to doubling their lead if not for the quick intervention of Kathellen, who was on hand to clear on the goal line to deny Keiwa Yokoyama who was surging to pounce on a rebound.

College of Asian Scholars wasted a glorious chance to kill the contest with eight minutes of regulation left to play when Shadeene Evans dragged a shot wide from the middle of the box.

The tie was finally settled in the 86th minute when Evans teed up Khwanjira Ngok-wong to rifle an unstoppable shot past Alowais from just outside the edge of the box.