UEFA Champions League – Semi-finals (Second Leg)

1 May 2018
Real Madrid – Bayern München
Referee: Cüneyt Çakir (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: Francesco Bianchi (SUI)

2 May 2018
AS Roma – FC Liverpool
Referee: Damir Skomina (SVN)
Assistant Referee 1: Jure Praprotnik (SVN)
Assistant Referee 2: Robert Vukan (SVN)
Additional AR 1: Matej Jug (SVN)
Additional AR 2: Slavko Vinčič (SVN)
Fourth Official: Tomaž Klančnik (SVN)
Referee Observer: Alain Hamer (LUX)