Έγιναν γνωστοί από την επιτροπή διαιτησίας της FIFA οι διαιτητές των αγώνων του Μουντιάλ για την Κυριακή και τη Δευτέρα.

Αναλυτικά:

1 July 2018

Spain – Russia
Referee: Björn Kuipers (NED)
Assistant Referee 1: Sander van Roekel (NED)
Assistant Referee 2: Erwin Zeinstra (NED)
Fourth Official: Clement Turpin (FRA)
Reserve AR: Nicolas Danos (FRA)

Croatia – Denmark
Referee: Nestor Pitana (ARG)
Assistant Referee 1: Hernan Maidana (ARG)
Assistant Referee 2: Juan Belatti (ARG)
Fourth Official: Enrique Caceres (PAR)
Reserve AR: Eduardo Cardozo (PAR)

2 July 2018

Brazil – Mexico
Referee: Gianluca Rocchi (ITA)
Assistant Referee 1: Elenito Di Liberatore (ITA)
Assistant Referee 2: Mauro Tonolini (ITA)
Fourth Official: Antonio Mateu Lahoz (ESP)
Reserve AR: Pau Cebrian Devis (ESP)

Belgium – Japan
Referee: Malang Diedhiou (SEN)
Assistant Referee 1: Djibril Camara (SEN)
Assistant Referee 2: El Hadji Samba (SEN)
Fourth Official: Bakary Gassama (GAM)
Reserve AR: Jean Birumushahu (BDI)