| 26 Apr 21 | r05     | Al WahdaAl Wahda | 1 - 0 | PersepolisPersepolis |
| 26 Apr 21 | r05 | Tractor SaziTractor Sazi | 0 - 0 | PakhtakorPakhtakor |
| 26 Apr 21 | r05 | Al-Rayyan SCAl-Rayyan SC | 1 - 1 | GoaGoa |
| 26 Apr 21 | r05 | Al Nassr FCAl Nassr FC | 1 - 2 | Al-WehdatAl-Wehdat |
| 26 Apr 21 | r05 | Al-Quwa Al-JawiyaAl-Quwa Al-Ja | 2 - 3 | Al SharjahAl Sharjah |
| 26 Apr 21 | r05 | Foolad FCFoolad FC | 0 - 1 | Al-SaddAl-Sadd |
| 27 Apr 21 | r05 | Al-Shorta SCAl-Shorta SC | 2 - 1 | Al-Duhail SCAl-Duhail SC |
| 27 Apr 21 | r05 | Shabab Al-Ahli DubaiShabab Al-Ahl | 0 - 1 | IstiklolIstiklol |
| 27 Apr 21 | r05 | OlmaliqOlmaliq | 0 - 3 | Al HilalAl Hilal |
| 27 Apr 21 | r05 | Al-Ahli Saudi FCAl-Ahli Saudi | 0 - 0 | EsteghlalEsteghlal |
| 04 Jul 21 | r05 | RatchaburiRatchaburi | 0 - 0 | Pohang SteelersPohang Steele |
| 04 Jul 21 | r05 | Nagoya GrampusNagoya Grampu | 2 - 1 | Johor Darul TazimJohor Darul T |
| 06 Jul 21 | r05 | Cerezo OsakaCerezo Osaka | 5 - 0 | Guangzhou EvergrandeGuangzhou Eve |
| 06 Jul 21 | r05 | Port FCPort FC | 1 - 1 | KitcheeKitchee |
| 07 Jul 21 | r05 | Gamba OsakaGamba Osaka | 8 - 1 | Tampines RoversTampines Rove |
| 07 Jul 21 | r05 | Chiangrai UnitedChiangrai Uni | 1 - 3 | Jeonbuk Hyundai MotorsJeonbuk Hyund |
| 08 Jul 21 | r05 | Kaya FC–IloiloKaya FC–Iloil | 0 - 1 | BG Pathum UnitedBG Pathum Uni |
| 08 Jul 21 | r05 | Beijing GuoanBeijing Guoan | 2 - 3 | Ceres–NegrosCeres–Negros |
| 08 Jul 21 | r05 | Ulsan Hyundai FCUlsan Hyundai | 3 - 0 | ViettelViettel |
| 08 Jul 21 | r05 | Daegu FCDaegu FC | 1 - 3 | Kawasaki FrontaleKawasaki Fron |
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