The season was supposed to start on 31 July 2021 and concluded on 21 May 2022.

[1] Then, due to the situation of the COVID-19 pandemic is still severe, FA Thailand decided to postpone the season to start on 13 August 2021 instead.

Therefore, FA Thailand decided to postpone the opening day for the second time to start on 3 September 2021.

As of 4 January 2022 Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Note 1: The official club website lists the supporters as player 12th man.