| 23 Apr 21 | r04     | Al-Rayyan SCAl-Rayyan SC | 0 - 1 | Al WahdaAl Wahda |
| 23 Apr 21 | r04 | Tractor SaziTractor Sazi | 1 - 0 | Al-Quwa Al-JawiyaAl-Quwa Al-Ja |
| 23 Apr 21 | r04 | GoaGoa | 0 - 4 | PersepolisPersepolis |
| 23 Apr 21 | r04 | PakhtakorPakhtakor | 1 - 1 | Al SharjahAl Sharjah |
| 23 Apr 21 | r04 | Al-WehdatAl-Wehdat | 0 - 2 | Al-SaddAl-Sadd |
| 23 Apr 21 | r04 | Al Nassr FCAl Nassr FC | 2 - 0 | Foolad FCFoolad FC |
| 24 Apr 21 | r04 | Al-Ahli Saudi FCAl-Ahli Saudi | 2 - 1 | Al-Shorta SCAl-Shorta SC |
| 24 Apr 21 | r04 | IstiklolIstiklol | 4 - 1 | Al HilalAl Hilal |
| 24 Apr 21 | r04 | Shabab Al-Ahli DubaiShabab Al-Ahl | 3 - 1 | OlmaliqOlmaliq |
| 24 Apr 21 | r04 | EsteghlalEsteghlal | 2 - 2 | Al-Duhail SCAl-Duhail SC |
| 01 Jul 21 | r04 | Johor Darul TazimJohor Darul T | 0 - 2 | Pohang SteelersPohang Steele |
| 01 Jul 21 | r04 | Nagoya GrampusNagoya Grampu | 3 - 0 | RatchaburiRatchaburi |
| 03 Jul 21 | r04 | Port FCPort FC | 0 - 3 | Cerezo OsakaCerezo Osaka |
| 03 Jul 21 | r04 | KitcheeKitchee | 1 - 0 | Guangzhou EvergrandeGuangzhou Eve |
| 04 Jul 21 | r04 | Tampines RoversTampines Rove | 0 - 4 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 04 Jul 21 | r04 | Gamba OsakaGamba Osaka | 1 - 1 | Chiangrai UnitedChiangrai Uni |
| 05 Jul 21 | r04 | Ulsan Hyundai FCUlsan Hyundai | 2 - 1 | Kaya FC–IloiloKaya FC–Iloil |
| 05 Jul 21 | r04 | Ceres–NegrosCeres–Negros | 0 - 2 | Kawasaki FrontaleKawasaki Fron |
| 05 Jul 21 | r04 | Beijing GuoanBeijing Guoan | 0 - 3 | Daegu FCDaegu FC |
| 05 Jul 21 | r04 | ViettelViettel | 1 - 3 | BG Pathum UnitedBG Pathum Uni |
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