OFI Crete – CSKA Sofia
Referee: Srdjan Jovanović SRB (photo)
Assistant Referee 1: Uroš Stojković SRB
Assistant Referee 2: Miloš Simović SRB
Fourth Official: Novak Simović SRB
VAR: Momčilo Marković SRB
AVAR: Jelena Cvetković SRB
Referee Observer: Martin Atkinson ENG
Jagiellonia Bialystok – Iberia Tbilisi
Referee: Ricardo de Burgos Bengoetxea ESP
Assistant Referee 1: Iker de Francisco Grijalba ESP
Assistant Referee 2: Iván Massó Granado ESP
Fourth Official: Alejandro Quintero González ESP
VAR: Guillermo Cuadra Fernández ESP
AVAR: Javier Iglesias Villanueva ESP
Referee Observer: Uno Tutk EST
Qairat – Anderlecht
Referee: Christopher Kavanagh ENG
Assistant Referee 1: Daniel Cook ENG
Assistant Referee 2: Ian Hussin ENG
Fourth Official: Robert Jones ENG
VAR: Stuart Attwell ENG
AVAR: Matthew Donohue ENG
Referee Observer: Alan Mario Sant MLT
Mjallby – Salzburg
Referee: Mykola Balakin UKR
Assistant Referee 1: Oleksandr Berkut UKR
Assistant Referee 2: Viktor Matyash UKR
Fourth Official: Dmytro Panchyshyn UKR
VAR: Clay Ruperti NED
AVAR: Denys Shurman UKR
Referee Observer: Rune Pedersen NOR
Trabzonspor – Ferencvaros
Referee: Igor Pajač CRO
Assistant Referee 1: Bojan Zobenica CRO
Assistant Referee 2: Ivan Mihalj CRO
Fourth Official: Mateo Erceg CRO
Video Assistant Referee: Mario Zebec CRO
Assistant Video Assistant Referee: Fran Jović CRO
Referee Observer: Martin Hansson SWE
Universitatea Craiova – Ararat Armenia
Referee: Nicholas Walsh SCO
Assistant Referee 1: Francis Connor SCO
Assistant Referee 2: Daniel McFarlane SCO
Fourth Official: Donald Robertson SCO
VAR: Andrew Dallas SCO
AVAR: Steven McLean SCO
Referee Observer: Pascal Garibian FRA
Egnatia – Lillestrom
Referee: Willy Delajod FRA
Assistant Referee 1: Erwan Finjean FRA
Assistant Referee 2: Valentin Évrard FRA
Fourth Official: Jérémy Stinat FRA
VAR: Mathieu Vernice FRA
AVAR: Benoît Millot FRA
Referee Observer: Stefano Podeschi SMR
Lech Poznan – Thun
Referee: Sebastian Gishamer AUT
Assistant Referee 1: Roland Riedel AUT
Assistant Referee 2: Santino Schreiner AUT
Fourth Official: Walter Altmann AUT
VAR: Alan Kijas AUT
AVAR: Josef Spurny AUT
Referee Observer:
Besiktas – Kauno Zalgiris
Referee: Tobias Stieler GER
Assistant Referee 1: Lasse Koslowski GER
Assistant Referee 2: Jonas Weickenmeier GER
Fourth Official: Robin Braun GER
VAR: Sören Storks GER
AVAR: Benjamin Cortus GER
Referee Observer: Gylfi Orrason ISL
Saint Truidense – Omonia Nicosia
Referee: Georgi Kabakov BUL
Assistant Referee 1: Martin Margaritov BUL
Assistant Referee 2: Martin Venev BUL
Fourth Official: Dimitar Dimitrov BUL
VAR: Dragomir Draganov BUL
AVAR: Nikola Popov BUL
Referee Observer: Drago Kos SVN
Crvena Zvezda – Viktoria Plzen
Referee: Espen Eskas NOR
Assistant Referee 1: Jan Engan NOR
Assistant Referee 2: Alf Rossland NOR
Fourth Official: Sigurd Kringstad NOR
VAR: Bram Van Driessche BEL
AVAR: Bert Put BEL
Referee Observer: Luis Medina Cantalejo ESP
Benfica – Aarhus
Referee: Marco Guida ITA
Assistant Referee 1: Giorgio Peretti ITA
Assistant Referee 2: Giuseppe Perrotti ITA
Fourth Official: Fabio Maresca ITA
VAR: Michael Fabbri ITA
AVAR: Daniele Chiffi ITA
Referee Observer: Marián Ružbarský SVK
