3 May 2018 Atletico de Madrid – Arsenal
Referee: Gianluca Rocchi (ITA, photo)
Assistant Referee 1: Elenito Di Liberatore (ITA)
Assistant Referee 2: Mauro Tonolini (ITA)
Additional AR 1: Paolo Valeri (ITA)
Additional AR 2: Massimiliano Irrati (ITA)
Fourth Official: Alessandro Costanzo (ITA)
Referee Observer: Jaap Uilenberg (NED)
FC Salzburg – Olympique de Marseille
Referee: Sergei Karasev (RUS)
Assistant Referee 1: Anton Averianov (RUS)
Assistant Referee 2: Tikhon Kalugin (RUS)
Additional AR 1: Sergey Lapochkin (RUS)
Additional AR 2: Sergei Ivanov (RUS)
Fourth Official: Igor Demeshko (RUS)
Referee Observer: Eugen Strigel (GER)