Vietnam - who played to a 1-1 draw with Thailand in their opening match - defeated Indonesia 6-0 in Group B while Philippines cruised 5-0 past Malaysia in Group A.

Indonesia's hopes now hinge on defeating Thailand on Monday while Malaysia will have to defeat Myanmar.

Hosts Philippines, meanwhile, produced a gritty performance to grab a point in a goalless draw with Myanmar in Group A.

Vietnam won gold two years ago by the finest of margins, edging Thailand on goal difference after both finished on 10 points and the scenario could well be repeated in this edition.

Myanmar defeated Timor-Leste 3-1 to surge to the top of the standings on seven points while Philippines beat Malaysia 1-0 to move to third on four points.

Philippines badly needed the win, having lost 2-1 to Myanmar on Matchday Two while the loss was a big blow to Malaysia's hopes, having opened their campaign with a 1-1 draw with Myanmar.

Singapore, meanwhile, were held 0-0 by a spirited Laos in the other Group B tie on Tuesday.

Host nation Philippines salvaged a 1-1 draw with Cambodia, courtesy of Dennis Chung's late goal, while Malaysia came from a goal down to salvage a point against Myanmar.

Vietnam, meanwhile, sent a warning of their gold medal intentions by beating Brunei Darussalam 6-0.

Vietnam cruised to a 6-1 win over Laos, Indonesia defeated Singapore 2-0 while defending champions Thailand - defeated 2-0 by Indonesia in their opening match - bounced back to emphatically beat Brunei Darussalam 7-0.

Vietnam top the group ahead of Indonesia on goal difference, with both sides on six points.

Cambodia defeated Timor-Leste 5-0 while Myanmar edged Philippines 2-1 as both teams moved to the top of the standings, with Cambodia ahead on goal difference.