FIFA U-20 World Cup 2017 – Group Stage (Matches 17-20)

24 May 2017

Zambia – Iran
Referee: Antonio Mateu Lahoz (ESP, photo)
Assistant Referee 1: Pau Cebrian Devis (ESP)
Assistant Referee 2: Roberto Diaz Perez (ESP)
Fourth Official: Yadel Martinez (CUB)
VAR 1: Svein Oddvar Moen (NOR)
VAR 2: Anastasios Sidiropoulos (GRE)

South Africa – Italy
Referee: Roddy Zambrano (ECU)
Assistant Referee 1: Christian Lescano (ECU)
Assistant Referee 2: Byron Romero (ECU)
Fourth Official: Julio Bascunan (CHI)
VAR 1: Mauro Vigliano (ARG)
VAR 2: Wilton Sampaio (BRA)

Costa Rica – Portugal
Referee: Abdulrahman Al Jassim (QAT)
Assistant Referee 1: Taleb Al Marri (QAT)
Assistant Referee 2: Saoud Al Maqaleh (QAT)
Fourth Official: Ivan Kruzliak (SVK)
VAR 1: Pavel Kralovec (CZE)
VAR 2: Nicholas Waldron (NZL)

Uruguay – Japan
Referee: Szymon Marciniak (POL)
Assistant Referee 1: Pawel Sokolnicki (POL)
Assistant Referee 2: Tomasz Listkiewicz (POL)
Fourth Official: Cuneyt Cakir (TUR)
VAR 1: Danny Makkelie (NED)
VAR 2: William Collum (SCO)