Quarti di finale - gare di ritorno del 16 aprile 2019
16 April 2019, 21:00 CET - Barcelona (Camp Nou)
FC Barcelona (ESP) - Manchester United FC (ENG)
Referee: Felix Brych (GER)
Assistant Referee 1: Mark Borsch (GER)
Assistant Referee 2: Stefan Lupp (GER)
Fourth Official: Pavel Královec (CZE)
Video Assistant Referee: Bastian Dankert (GER)
Assistant Video Assistant Referee: Marco Fritz (GER)
UEFA Referee Observer: Patrick Kelly (IRL)
UEFA Delegate: Irakli Nakaidze (GEO)
16 April 2019, 21:00 CET - Turin (Juventus Stadium)
Juventus FC (ITA) - AFC Ajax (NED)
Referee: Clément Turpin (FRA)
Assistant Referee 1: Nicolas Danos (FRA)
Assistant Referee 2: Cyril Gringore (FRA)
Fourth Official: Benoît Bastien (FRA)
Video Assistant Referee: Nicolas Rainville (FRA)
Assistant Video Assistant Referee: François Letexier (FRA)
UEFA Referee Observer: Nikolay Levnikov (RUS)
UEFA Delegate: Milovan Đukanović (MNE)