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

22-25 June 2021

Guangzhou Evergrande – Cerezo Osaka
Referee: Nawaf Shukralla (BHR, photo)
Assistant Referee 1: Mohamed Salman (BHR)
Assistant Referee 2: Abdulla Al Rowaimi (BHR)
Fourth Official: Ali Shaban (KUW)

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)

Pathum United – Kaya Iloilo
Referee: Ryuji Sato (JPN)
Assistant Referee 1: Hiroshi Yamauchi (JPN)
Assistant Referee 2: Jun Mihara (JPN)
Fourth Official: Shaun Evans (AUS)
 
Viettel FC – Ulsan Hyundai
Referee: Mohanad Sarray (IRQ)
Assistant Referee 1: Watheq Al Swaiedi (IRQ)
Assistant Referee 2: Yousef Al Shamari (QAT)
Fourth Official: Saoud Al Maqaleh (QAT)

United City – Beijing Sinobo
Referee: Moud Bonyadifard (IRN)
Assistant Referee 1: Ali Mirzabeigi (IRN)
Assistant Referee 2: Saeid Ghasemi (IRN)
Fourth Official: Hasan Akrami (IRN)
 
Kawasaki Frontale – Daegu FC
Referee: Ahmed Al Kaf (OMA)
Assistant Referee 1: Abu Al Amri (OMA)
Assistant Referee 2: Rashid Al Ghaithi (OMA)
Fourth Official: Omar Al Ali (UAE)