17 June 2018
Costa Rica – Serbia
Referee: Malang Diedhiou (SEN, photo)
Assistant Referee 1: Djibril Camara (SEN)
Assistant Referee 2: El Hadji Samba (SEN)
Fourth Official: Bamlak Tessema (ETH)
Reserve AR: Tikhon Kalugin (RUS)
VAR: Clement Turpin (FRA)
AVAR 1: Pawel Gil (POL)
AVAR 2: Cyril Gringore (FRA)
AVAR 3: Artur Dias (POR)
Germany – Mexico
Referee: Alireza Faghani (IRN)
Assistant Referee 1: Reza Sokhandan (IRN)
Assistant Referee 2: Mohammadreza Mansouri (IRN)
Fourth Official: Mohammed Abdulla (UAE)
Reserve AR: Mohamed Al-Hammadi (UAE)
VAR: Massimiliano Irrati (ITA)
AVAR 1: Wilton Sampaio (BRA)
AVAR 2: Carlos Astroza (CHI)
AVAR 3: Mark Geiger (USA)
Brazil – Switzerland
Referee: Cesar Ramos (MEX)
Assistant Referee 1: Marvin Torrentera (MEX)
Assistant Referee 2: Miguel Hernandez (MEX)
Fourth Official: John Pitti (PAN)
Reserve AR: Gabriel Victoria (PAN)
VAR: Paolo Valeri (ITA)
AVAR 1: Mauro Vigliano (ARG)
AVAR 2: Elenito Di Liberatore (ITA)
AVAR 3: Gianluca Rocchi (ITA)