20 February 2020
Club Brugge – Manchester United
Referee: Aleksei Kulbakov (BLR, photo)
Assistant Referee 1: Dzmitry Zhuk (BLR)
Assistant Referee 2: Aleh Maslianka (BLR)
Fourth Official: Dzianis Shcharbakou (BLR)
VAR: Marco Guida (ITA)
AVAR: Michael Fabbri (ITA)
Referee Observer: Gylfi Orrason (ISL)
Shakhtar Donetsk – SL Benfica
Referee: Robert Madden (SCO)
Assistant Referee 1: Douglas Ross (SCO)
Assistant Referee 2: David Roome (SCO)
Fourth Official: Donald Robertson (SCO)
VAR: Paul Tierney (ENG)
AVAR: William Collum (SCO)
Referee Observer: Shmuel Shteif (ISR)
Eintracht Frankfurt – FC Salzburg
Referee: Ali Palabiyik (TUR)
Assistant Referee 1: Ceyhun Sesigüzel (TUR)
Assistant Referee 2: Serkan Olguncan (TUR)
Fourth Official: Hüseyin Göçek (TUR)
VAR: Massimiliano Irrati (ITA)
AVAR: Halis Özkahya (TUR)
Referee Observer: Nicola Rizzoli (ITA)
PFC Ludogorets – Internazionale Milano
Referee: Carlos del Cerro Grande (ESP)
Assistant Referee 1: Juan Yuste Jiménez (ESP)
Assistant Referee 2: Roberto Alonso Fernández (ESP)
Fourth Official: Guillermo Cuadra Fernández (ESP)
VAR: Juan Martínez Munuera (ESP)
AVAR: Diego Barbero Sevilla (ESP)
Referee Observer: Volodymyr Petrov (UKR)
CFR Cluj – Sevilla FC
Referee: Deniz Aytekin (GER)
Assistant Referee 1: Eduard Beitinger (GER)
Assistant Referee 2: Dominik Schaal (GER)
Fourth Official: Patrick Ittrich (GER)
VAR: Daniel Siebert (GER)
AVAR: Bibiana Steinhaus (GER)
Referee Observer: Jon Skjervold (NOR)
FC Copenhagen – Celtic FC
Referee: Sergei Karasev (RUS)
Assistant Referee 1: Igor Demeshko (RUS)
Assistant Referee 2: Maksim Gavrilin (RUS)
Fourth Official: Sergei Lapochkin (RUS)
VAR: Vitali Meshkov (RUS)
AVAR: Sergei Ivanov (RUS)
Referee Observer: Murat Ilgaz (TUR)
Getafe CF – AFC Ajax
Referee: Ruddy Buquet (FRA)
Assistant Referee 1: Guillaume Debart (FRA)
Assistant Referee 2: Julien Pacelli (FRA)
Fourth Official: Amaury Delerue (FRA)
VAR: Benoît Millot (FRA)
AVAR: Jérôme Brisard (FRA)
Referee Observer: Vlado Svilokos (CRO)
Sporting Clube de Portugal – İstanbul Başakşehir
Referee: Anthony Taylor (ENG)
Assistant Referee 1: Gary Beswick (ENG)
Assistant Referee 2: Adam Nunn (ENG)
Fourth Official: Peter Bankes (ENG)
VAR: Stuart Attwell (ENG)
AVAR: Lee Betts (ENG)
Referee Observer: Vladimir Medved (SVK)
Rangers FC – SC Braga
Referee: Javier Estrada Fernández (ESP)
Assistant Referee 1: Teodoro Sobrino Magán (ESP)
Assistant Referee 2: Iñigo Prieto López (ESP)
Fourth Official: Pablo González Fuertes (ESP)
VAR: José Sánchez Martínez (ESP)
AVAR: Raúl Cabañero Martínez (ESP)
Referee Observer: Markus Nobs (SUI)
AS Roma – KAA Gent
Referee: Georgi Kabakov (BUL)
Assistant Referee 1: Martin Margaritov (BUL)
Assistant Referee 2: Diyan Valkov (BUL)
Fourth Official: Ivaylo Stoyanov (BUL)
VAR: Jochem Kamphuis (NED)
AVAR: Bas Nijhuis (NED)
Referee Observer: Stavros Tritsonis (GRE)
VfL Wolfsburg – Malmö FF
Referee: Gediminas Mažeika (LTU)
Assistant Referee 1: Vytautas Simkus (LTU)
Assistant Referee 2: Vytenis Kazlauskas (LTU)
Fourth Official: Donatas Rumsas (LTU)
VAR: Pawel Gil (POL)
AVAR: Andris Treimanis (LVA)
Referee Observer: William Young (SCO)
AZ Alkmaar – LASK
Referee: Mattias Gestranius (FIN)
Assistant Referee 1: Jan-Peter Aravirta (FIN)
Assistant Referee 2: Mikko Alakare (FIN)
Fourth Official: Ville Nevalainen (FIN)
VAR: Alejandro Hernández Hernández (ESP)
AVAR: Andreas Ekberg (SWE)
Referee Observer: Leslie Irvine (NIR)
Olympiacos – Arsenal
Referee: Felix Zwayer (GER)
Assistant Referee 1: Thorsten Schiffner (GER)
Assistant Referee 2: Marco Achmüller (GER)
Fourth Official: Harm Osmers (GER)
VAR: Sascha Stegemann (GER)
AVAR: Jan Seidel (GER)
Referee Observer: Nikolai Levnikov (RUS)
Apoel – Basel
Referee: Orel Grinfeeld (ISR)
Assistant Referee 1: Roy Hassan (ISR)
Assistant Referee 2: Idan Yarkoni (ISR)
Fourth Official: Eitan Shmuelevitz (ISR)
VAR: João Pinheiro (POR)
AVAR: Roi Reinshreiber (ISR)
Referee Observer: Marc Batta (FRA)
Bayer Leverkusen – FC Porto
Referee: Slavko Vinčić (SVN)
Assistant Referee 1: Tomaz Klancnik (SVN)
Assistant Referee 2: Andraž Kovačič (SVN)
Fourth Official: Rade Obrenović (SVN)
VAR: Pol van Boekel (NED)
AVAR: Jure Praprotnik (SVN)
Referee Observer: David Fernández Borbalán (ESP)
Wolverhampton Wanderers – RCD Espanyol
Referee: Tobias Stieler (GER)
Assistant Referee 1: Mike Pickel (GER)
Assistant Referee 2: Christian Gittelmann (GER)
Fourth Official: Sören Storks (GER)
VAR: Bastian Dankert (GER)
AVAR: Marco Fritz (GER)
Referee Observer: Francesco Bianchi (SUI)