20 June 2018
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Portugal – Morocco
Referee: Mark Geiger (USA, photo)
Assistant Referee 1: Joe Fletcher (CAN)
Assistant Referee 2: Frank Anderson (USA)
Fourth Official: Sergei Karasev (RUS)
Reserve AR: Anton Averianov (RUS)
Uruguay – Saudi Arabia
Referee: Clement Turpin (FRA)
Assistant Referee 1: Nicolas Danos (FRA)
Assistant Referee 2: Cyril Gringore (FRA)
Fourth Official: John Pitti (PAN)
Reserve AR: Gabriel Victoria (PAN)
Iran – Spain
Referee: Andres Cunha (URU)
Assistant Referee 1: Nicolas Taran (URU)
Assistant Referee 2: Mauricio Espinosa (URU)
Fourth Official: Julio Bascunan (CHI)
Reserve AR: Christian Schiemann (CHI)

Portugal – Morocco
Referee: Mark Geiger (USA, photo)
Assistant Referee 1: Joe Fletcher (CAN)
Assistant Referee 2: Frank Anderson (USA)
Fourth Official: Sergei Karasev (RUS)
Reserve AR: Anton Averianov (RUS)
Uruguay – Saudi Arabia
Referee: Clement Turpin (FRA)
Assistant Referee 1: Nicolas Danos (FRA)
Assistant Referee 2: Cyril Gringore (FRA)
Fourth Official: John Pitti (PAN)
Reserve AR: Gabriel Victoria (PAN)
Iran – Spain
Referee: Andres Cunha (URU)
Assistant Referee 1: Nicolas Taran (URU)
Assistant Referee 2: Mauricio Espinosa (URU)
Fourth Official: Julio Bascunan (CHI)
Reserve AR: Christian Schiemann (CHI)