UEFA Champions League – Semi-finals (Second Leg)

7-8 May 2019

FC Liverpool – FC Barcelona
Referee: Cüneyt Çakır (TUR, photo)
Assistant Referee 1: Bahattin Duran (TUR)
Assistant Referee 2: Tarık Ongun (TUR)
Fourth Official: Artur Soares Dias (POR)
VAR: Felix Zwayer (GER)
AVAR: Sascha Stegemann (GER)
Referee Observer: Sándor Piller (HUN)

AFC Ajax – Tottenham Hotspur
Referee: Felix Brych (GER)
Assistant Referee 1: Mark Borsch (GER)
Assistant Referee 2: Stefan Lupp (GER)
Fourth Official: Deniz Aytekin (GER)
VAR: Bastian Dankert (GER)
AVAR: Marco Fritz (GER)
Referee Observer: Rune Pedersen (NOR)