13 February 2018
Juventus – Tottenham Hotspur
Referee: Felix Brych (GER, photo)
Assistant Referee 1: Mark Borsch (GER)
Assistant Referee 2: Stefan Lupp (GER)
Additional AR 1: Bastian Dankert (GER)
Additional AR 2: Marco Fritz (GER)
Fourth Official: Markus Häcker (GER)
Referee Observer: Fritz Stuchlik (AUT)
FC Basel – Manchester City
Referee: Jonas Eriksson (SWE)
Assistant Referee 1: Mathias Klasenius (SWE)
Assistant Referee 2: Daniel Wärnmark (SWE)
Additional AR 1: Andreas Ekberg (SWE)
Additional AR 2: Stefan Johannesson (SWE)
Fourth Official: Mehmet Culum (SWE)
Referee Observer: Alfredo Trentalange (ITA)
14 February 2018
Real Madrid – Paris St. Germain
Referee: Gianluca Rocchi (ITA)
Assistant Referee 1: Elenito Di Liberatore (ITA)
Assistant Referee 2: Mauro Tonolini (ITA)
Additional AR 1: Luica Banti (ITA)
Additional AR 2: Paolo Valeri (ITA)
Fourth Official: Alessandro Costanzo (ITA)
Referee Observer: Hugh Dallas (SCO)
FC Porto – Liverpool
Referee: Daniele Orsato (ITA)
Assistant Referee 1: Riccardo Di Fiore (ITA)
Assistant Referee 2: Filippo Meli (ITA)
Additional AR 1: Davide Massa (ITA)
Additional AR 2: Antonio Damato (ITA)
Fourth Official: Alessandro Giallatini (ITA)
Referee Observer: Francesco Bianchi (SUI)