Group A was one of the two groups of competing nations at the 2020 AFF Championship. It consisted of Thailand, Myanmar, the Philippines, hosts Singapore and Timor-Leste. The matches took place from 5 to 18 December 2021.
Thailand and Singapore, as the top two teams, advanced to the semi-finals.
^"Men's Ranking". Fédération Internationale de Football Association. 19 November 2021. Retrieved 22 November 2021.
^"Thailand loses right to host tournaments". Bangkok Post. Bangkok Post Public Co. Ltd. Retrieved 25 November 2021. The country has also been denied the right to display its national flag at any such events (international football events).
^"WADA confirms non-compliance of five Anti-Doping Organizations (7 October 2021)". World Anti-Doping Agency. 7 October 2021. Retrieved 4 December 2021.
Notes
^ abcdeDue to non-compliance with conditions set by the World Anti-Doping Agency (WADA), Thailand was not allowed to be represented by its national flag.[2] The sanctions took effect in October 2021.[3]