03.09.2021 13:00 Nong Bua Pitchaya - Nakhon Ratchasima 2:0 (2:0)
04.09.2021 13:00 Chiangmai FC - Bangkok United 1:2 (1:0)
13:00 PT Prachuap FC - Muangthong United 2:2 (1:0)
14:00 Buriram United - Suphanburi FC 0:0 (0:0)
14:00 Khonkaen FC - Ratchaburi Mitr Phol 0:2 (0:2)
05.09.2021 12:30 Port FC - Police Tero FC 3:3 (2:3)
13:00 Chonburi FC - BG Pathum United 1:1 (0:1)
13:00 Chiangrai United - Samut Prakan City FC 2:2 (0:0)
# Squadra P. V P S Gol Dif P.ti
1 Nong Bua Pitchaya, Tailandia Nong Bua Pitchaya 1 1 0 0 2:0 2 3
  Ratchaburi Mitr Phol, Tailandia Ratchaburi Mitr Phol 1 1 0 0 2:0 2 3
3 Bangkok United, Tailandia Bangkok United 1 1 0 0 2:1 1 3
4 Police Tero FC, Tailandia Police Tero FC 1 0 1 0 3:3 0 1
  Port FC, Tailandia Port FC 1 0 1 0 3:3 0 1
6 Chiangrai United, Tailandia Chiangrai United 1 0 1 0 2:2 0 1
  Muangthong United, Tailandia Muangthong United 1 0 1 0 2:2 0 1
  PT Prachuap FC, Tailandia PT Prachuap FC 1 0 1 0 2:2 0 1
  Samut Prakan City FC, Tailandia Samut Prakan City FC 1 0 1 0 2:2 0 1
10 BG Pathum United, Tailandia BG Pathum United 1 0 1 0 1:1 0 1
  Chonburi FC, Tailandia Chonburi FC 1 0 1 0 1:1 0 1
12 Buriram United, Tailandia Buriram United 1 0 1 0 0:0 0 1
  Suphanburi FC, Tailandia Suphanburi FC 1 0 1 0 0:0 0 1
14 Chiangmai FC, Tailandia Chiangmai FC 1 0 0 1 1:2 -1 0
15 Khonkaen FC, Tailandia Khonkaen FC 1 0 0 1 0:2 -2 0
  Nakhon Ratchasima, Tailandia Nakhon Ratchasima 1 0 0 1 0:2 -2 0
  Champions League
  Champions League Quali.
  Retrocessione