Vietnam is Group B's leader. (Photo: Hien Nguyen/Vietnam+)

Vietnam, the favorite to win the tournament, is at the top of group B with 10 points and a clean sheet after 4 games. It will take on Indonesia in the semifinal in Jakarta on Friday. 

Vietnam’s opening game saw a 6-0 win against Laos, followed by a 3-0 win against Malaysia and Myanmar, and a draw against Singapore.