FIFA World Cup 2018 – Round of 16 (Matches 51-52)

1 July 2018

Spain – Russia
Referee: Björn Kuipers (NED, photo)
Assistant Referee 1: Sander van Roekel (NED)
Assistant Referee 2: Erwin Zeinstra (NED)
Fourth Official: Clement Turpin (FRA)

Reserve AR: Nicolas Danos (FRA)
VAR: Danny Makkelie (NED)
AVAR 1: Pawel Gil (POL)
AVAR 2: Mark Borsch (GER)
AVAR 3: Felix Zwayer (GER)

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)
VAR: Mauro Vigliano (ARG)
AVAR 1: Gery Vargas (BOL)
AVAR 2: Roberto Diaz Perez (ESP)
AVAR 3: Daniele Orsato (ITA)