In the first game of the tournament it was Vietnam who opened the scoring midway through the first half when an unmarked Lê Thanh Bình poked in Hồ Ngọc Thắng's cross. Vietnam would score again just after the break in similar circumstances as Trần Phi Sơn was once again unmarked to head in Nguyễn Công Phượng's free kick. Vietnam would score four times in the last 15 minutes as the Brunei side tired, first Mạc Hồng Quân finished after a teammate headed the ball down to him, then Ngọc Thắng and Hồng Quân exchanged some neat passes before the former's cross hit into the net by Phạm Đức Huy. Four minutes later Ngọc Thắng's cross was not properly dealt with by the Bruneian defense resulting in Hồng Quân laying the ball off for Công Phượng to score, and with a minute left in normal time Phạm Mạnh