12 December 2017 Gremio Porto Alegre – CF Pachuca Referee: Felix Brych (GER, photo) Assistant Referee 1: Mark Borsch (GER) Assistant Referee 2: Stefan Lupp (GER) Fourth Official: Malang Diedhiou (SEN) Reserve AR: El Hadji Samba (SEN) VAR 1: Felix Zwayer (GER) VAR 2: Djibril Camara (SEN) AVAR: Clement Turpin (FRA)
13 December 2017 Al Jazira – Real Madrid Referee: Sandro Ricci (BRA) Assistant Referee 1: Emerson De Carvalho (BRA) Assistant Referee 2: Marcelo Van Gasse (BRA) Fourth Official: Andres Cunha (URU) Reserve AR: Miguel Hernandez (MEX) VAR 1: Artur Soares Dias (POR) VAR 2: Marvin Torrentera (MEX) AVAR: Wilton Sampaio (BRA)
12 December 2017