30 January 2018
Slovenia – Serbia
First Referee: Bogdan Sorescu (ROU, photo)
Second Referee: Eduardo Fernandes Coelho (POR)
Third Referee: Alejandro Martinez Flores (ESP)
Timekeeper: Vasilios Christodoulis (GRE)
Russia – Poland
First Referee: Timo Onatsu (FIN)
Second Referee: Cédric Pelissier (FRA)
Third Referee: Marc Birkett (ENG)
Timekeeper: Josip Barton (MKD)
31 January 2018
Portugal – Romania
First Referee: Saša Tomić (CRO)
Second Referee: Ondřej Černý (CZE)
Third Referee: Admir Zahovič (SVN)
Timekeeper: Josip Barton (MKD)
Spain – France
First Referee: Balázs Farkas (HUN)
Second Referee: Gábor Kovács (HUN)
Third Referee: Angelo Galante (ITA)
Timekeeper: Vasilios Christodoulis (GRE)
1 February 2018
Poland – Kazakhstan
First Referee: Alejandro Martinez Flores (ESP)
Second Referee: Juan Cordero Gallardo (ESP)
Third Referee: Bogdan Sorescu (ROU)
Timekeeper: Vasilios Christodoulis (GRE)
Serbia – Italy
First Referee: Marc Birkett (ENG)
Second Referee: Kamil Çetin (TUR)
Third Referee: Timo Onatsu (FIN)
Timekeeper: Josip Barton (MKD)