10.09.2021 13:00 BG Pathum United - Ratchaburi Mitr Phol 2:0 (0:0)
11.09.2021 13:00 Khonkaen FC - PT Prachuap FC 2:1 (1:0)
13:00 Chiangrai United - Nakhon Ratchasima 3:2 (1:2)
13:00 Suphanburi FC - Chiangmai FC 2:2 (1:1)
14:00 Buriram United - Police Tero FC 3:1 (1:1)
12.09.2021 12:30 Muangthong United - Chonburi FC 3:3 (0:1)
13:00 Bangkok United - Port FC 1:1 (1:1)
13:00 Nong Bua Pitchaya - Samut Prakan City FC 0:1 (0:1)
# Squadra P. V P S Gol Dif P.ti
1 BG Pathum United, Tailandia BG Pathum United 2 1 1 0 3:1 2 4
  Buriram United, Tailandia Buriram United 2 1 1 0 3:1 2 4
3 Chiangrai United, Tailandia Chiangrai United 2 1 1 0 5:4 1 4
4 Bangkok United, Tailandia Bangkok United 2 1 1 0 3:2 1 4
  Samut Prakan City FC, Tailandia Samut Prakan City FC 2 1 1 0 3:2 1 4
6 Nong Bua Pitchaya, Tailandia Nong Bua Pitchaya 2 1 0 1 2:1 1 3
7 Ratchaburi Mitr Phol, Tailandia Ratchaburi Mitr Phol 2 1 0 1 2:2 0 3
8 Khonkaen FC, Tailandia Khonkaen FC 2 1 0 1 2:3 -1 3
9 Muangthong United, Tailandia Muangthong United 2 0 2 0 5:5 0 2
10 Chonburi FC, Tailandia Chonburi FC 2 0 2 0 4:4 0 2
  Port FC, Tailandia Port FC 2 0 2 0 4:4 0 2
12 Suphanburi FC, Tailandia Suphanburi FC 2 0 2 0 2:2 0 2
13 Chiangmai FC, Tailandia Chiangmai FC 2 0 1 1 3:4 -1 1
  PT Prachuap FC, Tailandia PT Prachuap FC 2 0 1 1 3:4 -1 1
15 Police Tero FC, Tailandia Police Tero FC 2 0 1 1 4:6 -2 1
16 Nakhon Ratchasima, Tailandia Nakhon Ratchasima 2 0 0 2 2:5 -3 0
  Champions League
  Champions League Quali.
  Retrocessione