27 May 2017
Uruguay – South Africa
Referee: Sergei Karasev (RUS, photo)
Assistant Referee 1: Anton Averianov (RUS)
Assistant Referee 2: Tikhon Kalugin (RUS)
Fourth Official: Szymon Marciniak (POL)
VAR 1: Svein Oddvar Moen (NOR)
VAR 2: William Collum (SCO)
Costa Rica – Zambia
Referee: Matthew Conger (NZL)
Assistant Referee 1: Simon Lount (NZL)
Assistant Referee 2: Tevita Makasini (TGA)
Fourth Official: Norbert Hauata (TAH)
VAR 1: Daniele Orsato (ITA)
VAR 2: Ryuji Sato (JPN)
Portugal – Iran
Referee: Roddy Zambrano (ECU)
Assistant Referee 1: Christian Lescano (ECU)
Assistant Referee 2: Byron Romero (ECU)
Fourth Official: Andres Cunha (URU)
VAR 1: Mauro Vigliano (ARG)
VAR 2: Gery Vargas (BOL)
Japan – Italy
Referee: Ghead Grisha (EGY)
Assistant Referee 1: Redouane Achik (MAR)
Assistant Referee 2: Waleed Ahmed (SDN)
Fourth Official: Bamlak Tessema (ETH)
VAR 1: Mehdi Abid Charef (ALG)
VAR 2: Malang Diedhiou (SEN)