The top two teams from each group (four in total) advanced to the knockout stage to compete in a two-legged single-elimination tournament beginning with the semi-finals followed by the final.
The away goals rule, extra time and penalty shoot-out are used to decide the winner if necessary.
The top two highest-placing teams from each of the two groups advanced to the knockout stage.
The top two sides of each group advanced to the knockout stages consisting of two-legged semi-finals and finals.
[4][5] Man of the Match: Asnawi Mangkualam (Indonesia) Referee assistant: Yousef Aref Al Shamari (Qatar) Faisal Al Shammari (Qatar) Fourth official: Sivakorn Pu-Udom (Thailand) Man of the Match: V. Ruventhiran (Malaysia) Referee assistant: Song Bong-geun (South Korea) Bang Yi-keol (South Korea) Fourth official: Thoriq Alkatiri (Indonesia) Man of the Match: Nguyễn Tiến Linh (Vietnam) Referee assistant: Kota Watanabe (Japan) Yusuke Hamamoto (Japan) Fourth official: Souei Vongkham (Laos) Man of the Match: Adisak Kraisorn (Thailand) Referee assistant: Mohammad Mustafa Hassan Alkalaf (Jordan) Ahmad Moannes Nadi Alroalle (Jordan) Fourth official: Xaypaseth Phongsanit (Laos) Man of the Match: Theerathon Bunmathan (Thailand) Referee assistant: Park Kyun-yong (South Korea) Kang Dong-ho (South Korea) Fourth official: Thoriq Alkatiri (Indonesia) Man of the Match: Theerathon Bunmathan (Thailand) Referee assistant: Isao Nishihashi (Japan) Takumi Takagi (Japan) Fourth official: Nazmi Nasaruddin (Malaysia)