AFC Champions League – Group Stage (East Region, Matchday 1)

22-25 June 2021

Guangzhou Evergrande – Cerezo Osaka
Pohang Steelers – Ratchaburi FC
Referee: Ma Ning (CHN)
Assistant Referee 1: Cao Yi (CHN)
Assistant Referee 2: Zhou Fei (CHN)
Fourth Official: Hussein Yehia (LBN)

Johor Darul Tazim – Nagoya Grampus
Referee: Mohammed Abdulla (UAE)
Assistant Referee 1: Mohamed Al Hammadi (UAE)
Assistant Referee 2: Hasan Suqatari (UAE)
Fourth Official: Omar Al Yaqoubi (OMA)

Kitchee – Port FC
Referee: Kim Dae-Yong (KOR)
Assistant Referee 1: Yoon Jae-Yeol (KOR)
Assistant Referee 2: Park Sang-Jun (KOR)
Fourth Official: Ko Hyung-Jin (KOR)

Tampines Rovers – Gamba Osaka
Referee: Nivon Robesh (SRI)
Assistant Referee 1: Yusri Mohamad (MAS)
Assistant Referee 2: Ayman Obeidat (JOR)
Fourth Official: Amirul Yaacob (MAS)

Jeonbuk Motors – Chiangrai United
Referee: Abdulrahman Al Jassim (QAT)
Assistant Referee 1: Saoud Al Maqaleh (QAT)
Assistant Referee 2: Badr Al Shamrani (KSA)
Fourth Official: Yu Ming-Hsun (TPE)