Russia – Vietnam
Referee 1: Roberto Lopez (PAN, photo)
Referee 2: Henry Gutierrez (BOL)
Third Official: Carlos Martinez (PAR)
Timekeeper: Carlos Gonzalez (GUA)
Reserve AR: Cristian Espindola (CHI)
Venezuela – Morocco
Referee 1: Hussain Al Bahhar (BHR)
Referee 2: Josh Wilkens (USA)
Third Official: An Ran (CHN)
Timekeeper: Ronny Castro (CRC)
Reserve AR: Fahad Al-Hosani (UAE)
23 September 2021
Kazakhstan – Thailand
Referee 1: Mohamed Hassan (EGY)
Referee 2: Khalid Hnich (MAR)
Third Referee: Aymen Kammoun (TUN)
Timekeeper: Antony Riley (NZL)
Reserve AR: Tarek El-Khataby (EGY)
Argentina – Paraguay
Referee 1: Nurdin Bukuev (KGZ)
Referee 2: Nikola Jelic (CRO)
Third Referee: Daniel Matkovic (SUI)
Timekeeper: Alejandro Martinez (ESP)
Reserve AR: Juan Cordero (ESP)
Brazil – Japan
Referee 1: Irina Velikanova (RUS)
Referee 2: Cedric Pelissier (FRA)
Third Referee: Jorge Flores (SLV)
Timekeeper: Borislav Kolev (BUL)
Reserve AR: Chiara Perona (ITA)
24 September 2021
Uzbekistan – Iran
Referee 1: Diego Molina (CRC)
Referee 2: Ondrej Cerny (CZE)
Third Referee: Eduardo Coelho (POR)
Timekeeper: Gean Telles (BRA)
Reserve AR: Gabor Kovacs (HUN)
Portugal – Serbia
Referee 1: Daniel Rodriguez (URU)
Referee 2: Dario Santamaria (ARG)
Third Referee: Valeria Palma (CHI)
Timekeeper: Henry Gutierrez (BOL)
Reserve AR: Maria Pinto (ARG)
Spain – Czech Republic
Referee 1: Tomohiro Kozaki (JPN)
Referee 2: Ryan Shepheard (AUS)
Third Referee: Ebrahim Mehrabi (IRN)
Timekeeper: Christopher Sinclair (NZL)
Reserve AR: Gelareh Nazemi (IRN)
Referee 1: Roberto Lopez (PAN, photo)
Referee 2: Henry Gutierrez (BOL)
Third Official: Carlos Martinez (PAR)
Timekeeper: Carlos Gonzalez (GUA)
Reserve AR: Cristian Espindola (CHI)
Venezuela – Morocco
Referee 1: Hussain Al Bahhar (BHR)
Referee 2: Josh Wilkens (USA)
Third Official: An Ran (CHN)
Timekeeper: Ronny Castro (CRC)
Reserve AR: Fahad Al-Hosani (UAE)
23 September 2021
Kazakhstan – Thailand
Referee 1: Mohamed Hassan (EGY)
Referee 2: Khalid Hnich (MAR)
Third Referee: Aymen Kammoun (TUN)
Timekeeper: Antony Riley (NZL)
Reserve AR: Tarek El-Khataby (EGY)
Argentina – Paraguay
Referee 1: Nurdin Bukuev (KGZ)
Referee 2: Nikola Jelic (CRO)
Third Referee: Daniel Matkovic (SUI)
Timekeeper: Alejandro Martinez (ESP)
Reserve AR: Juan Cordero (ESP)
Brazil – Japan
Referee 1: Irina Velikanova (RUS)
Referee 2: Cedric Pelissier (FRA)
Third Referee: Jorge Flores (SLV)
Timekeeper: Borislav Kolev (BUL)
Reserve AR: Chiara Perona (ITA)
24 September 2021
Uzbekistan – Iran
Referee 1: Diego Molina (CRC)
Referee 2: Ondrej Cerny (CZE)
Third Referee: Eduardo Coelho (POR)
Timekeeper: Gean Telles (BRA)
Reserve AR: Gabor Kovacs (HUN)
Portugal – Serbia
Referee 1: Daniel Rodriguez (URU)
Referee 2: Dario Santamaria (ARG)
Third Referee: Valeria Palma (CHI)
Timekeeper: Henry Gutierrez (BOL)
Reserve AR: Maria Pinto (ARG)
Spain – Czech Republic
Referee 1: Tomohiro Kozaki (JPN)
Referee 2: Ryan Shepheard (AUS)
Third Referee: Ebrahim Mehrabi (IRN)
Timekeeper: Christopher Sinclair (NZL)
Reserve AR: Gelareh Nazemi (IRN)
