3 April 2018
Juventus FC – Real Madrid
Referee: Cüneyt Çakır (TUR, photo)
Assistant Referee 1: Bahattin Duran (TUR)
Assistant Referee 2: Tarik Ongun (TUR)
Additional AR 1: Hüseyin Göçek (TUR)
Additional AR 2: Barış Şimşek (TUR)
Fourth Official: Mustafa Eyisoy (TUR)
Referee Observer: Hans Reijgwart (NED)
Sevilla FC – Bayern München
Referee: Daniele Orsato (ITA)
Assistant Referee 1: Riccardo Di Fiore (ITA)
Assistant Referee 2: Lorenzo Manganelli (ITA)
Additional AR 1: Davide Massa (ITA)
Additional AR 2: Antonio Damato (ITA)
Fourth Official: Alessandro Giallatini (ITA)
Referee Observer: Konrad Plautz (AUT)
4 April 2018
FC Barcelona – AS Roma
Referee: Danny Makkelie (NED)
Assistant Referee 1: Mario Diks (NED)
Assistant Referee 2: Hessel Steegstra (NED)
Additional AR 1: Kevin Blom (NED)
Additional AR 2: Jochem Kamphuis (NED)
Fourth Official: Jan de Vries (NED)
Referee Observer: Uno Tutk (EST)
Liverpool FC – Manchester City
Referee: Felix Brych (GER)
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: Jorn West Larsen (DEN)