Japan – Poland
Referee 1: Mariano Romo (ARG, photo)
Referee 2: Micke Palomino (PER)
Third Official: Juan Angeles (DOM)
Timekeeper: Gonzalo Carballo (SLV)
Portugal – Panama
Referee 1: Jelili Ogunmuyiwa (NGA)
Referee 2: Hugo Pado (SOL)
Third Official: Issam Bousbih (TUN)
Timekeeper: Yuichi Hatano (JPN)
Brazil – Tahiti
Referee 1: Gionni Matticoli (ITA)
Referee 2: Laurynas Arzuolaitis (LTU)
Third Official: Liang Shao (CHN)
Timekeeper: Bakhtiyor Namazov (UZB)
UAE – Paraguay
Referee 1: Ago Kaertmann (EST)
Referee 2: Jude Utulu (MLT)
Third Official: Sofien Benchabane (FRA)
Timekeeper: Eduards Borisevics (LVA)
29 April 2017
Italy – Iran
Referee 1: Ivo Moraes (BRA)
Referee 2: Jorge Martinez (PAR)
Third Official: Said Hachim (MAD)
Timekeeper: Issam Bousbih (TUN)
Switzerland – Ecuador
Referee 1: Juan Angeles (DOM)
Referee 2: Gonzalo Carballo (SLV)
Third Official: Miguel Lopez (GUA)
Timekeeper: Hugo Pado (SOL)
Mexico – Nigeria
Referee 1: Sergio Lopes (POR)
Referee 2: Ebrahim Al-Mansory (UAE)
Third Official: Micke Palomino (PER)
Timekeeper: Laurynas Arzuolaitis (LTU)
Senegal – Bahamas
Referee 1: Yuichi Hatano (JPN)
Referee 2: Liang Shao (CHN)
Third Official: Lukasz Ostrowski (POL)
Timekeeper: Jude Utulu (MLT)