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