Legia Warszawa – Chelsea FC
Referee: Serdar Gözübüyük NED (photo)
Assistant Referee 1: Erwin Zeinstra NED
Assistant Referee 2: Patrick Inia NED
Fourth Official: Joey Kooij NED
VAR: Pol van Boekel NED
AVAR: Richard Martens NED
Referee Observer: Alain Hamer LUX
Real Betis – Jagiellonia Bialystok
Referee: Anthony Taylor ENG
Assistant Referee 1: Gary Beswick ENG
Assistant Referee 2: Adam Nunn ENG
Fourth Official: Robert Jones ENG
VAR: Bram Van Driessche BEL
AVAR: Jan Boterberg BEL
Referee Observer: Gylfi Orrason ISL
NK Celje – AC Fiorentina
Referee: Felix Zwayer GER
Assistant Referee 1: Robert Kempter GER
Assistant Referee 2: Christian Dietz GER
Fourth Official: Florian Badstübner GER
VAR: Pascal Müller GER
AVAR: Robert Schröder GER
Referee Observer: Murat Ilgaz TUR
Djugardens IF – Rapid Wien
Referee: Tobias Stieler GER
Assistant Referee 1: Christian Gittelmann GER
Assistant Referee 2: Mark Borsch GER
Fourth Official: Harm Osmers GER
VAR: Benjamin Brand GER
AVAR: Benjamin Cortus GER
Referee Observer: Levan Paniashvili GEO
