Playoff-Runde
07.04.2021 Pohang Steelers Pohang Steelers - Ratchaburi Mitr Phol Ratchaburi Mitr Phol non disputa
07.04.2021 17:20 Al Gharafa Al Gharafa - FC AGMK FC AGMK 0:1 (0:0, 0:0)
07.04.2021 17:40 Al Wahda Al Wahda - Al Zawra’a Al Zawra’a 2:1 (0:0)
07.04.2021 19:45 Al Wehda Al Wehda - Al Quwa Al Jawiya Al Quwa Al Jawiya 2:3 (1:0, 1:1, 1:1) dr
10.04.2021 17:50 Foolad FC Foolad FC - Al Ain FC Al Ain FC 4:0 (1:0)
14.04.2021 Beijing Guoan Beijing Guoan - Brisbane Roar / Kaya FC-Iloilo Brisbane Roar / Kaya FC-Iloilo rinv.
14.04.2021 Cerezo Osaka Cerezo Osaka - Melbourne City / Shan United Melbourne City / Shan United rinv.
14.04.2021 Daegu FC Daegu FC - Chiangrai United Chiangrai United rinv.