Referee: Kristo Tohver EST (photo)
Assistant Referee 1: Silver Koiv EST
Assistant Referee 2: Sander Saga EST
Fourth Official: Kevin Kaivoja EST
VAR: Alan Kijas AUT
AVAR: Josef Spurny AUT
Referee Observer: Pawel Gil POL
6 August 2025
FK RFS – Kups Kuopio
Referee: Aliyar Aghayev AZE
Assistant Referee 1: Zeynal Zeynalov AZE
Assistant Referee 2: Akif Amirali AZE
Fourth Official: Kamal Umudlu AZE
VAR: Michael Salisbury ENG
AVAR: Inqilab Mammadov AZE
Referee Observer: Sokol Jareci ALB
HNK Rijeka – Shelbourne FC
Referee: Ricardo de Burgos Bengoetxea ESP
Assistant Referee 1: Iker de Francisco Grijalba ESP
Assistant Referee 2: Asier González de Durana ESP
Fourth Official: Adrián Cordero Vega ESP
VAR: Valentín Pizarro Gómez ESP
AVAR: Javier Iglesias Villanueva ESP
Referee Observer: Andreas Schluchter SUI
7 August 2025
Lincoln Red Imps – Noa FA
Referee: Filip Glova SVK
Assistant Referee 1: Daniel Poláček SVK
Assistant Referee 2: Peter Bednár SVK
Fourth Official: Lukáš Dzivjak SVK
VAR: Martin Dohál SVK
AVAR: Erik Gemzicky SVK
Referee Observer: João Ferreira POR
Fredrikstad FK – FC Midtjylland
Referee: Igor Pajač CRO
Assistant Referee 1: Bojan Zobenica CRO
Assistant Referee 2: Ivan Mihalj CRO
Fourth Official: Zdenko Lovrić CRO
VAR: Ivan Bebek CRO
AVAR: Fran Jović CRO
Referee Observer: Barış Şimşek TUR
AEK Larnaca – Legia Warszawa
Referee: Horațiu Feșnic ROU
Assistant Referee 1: Valentin Avram ROU
Assistant Referee 2: Ioan Corb ROU
Fourth Official: Szabolcs Kovacs ROU
VAR: Ovidiu Hațegan ROU
AVAR: Cristina Trandafir ROU
Referee Observer: Gediminas Mažeika LTU
BK Hacken – SK Brann
Referee: Georgi Kabakov BUL
Assistant Referee 1: Martin Margaritov BUL
Assistant Referee 2: Martin Venev BUL
Fourth Official: Mariyan Grebencharski BUL
VAR: Dragomir Draganov BUL
AVAR: Vasimir El-Hatib BUL
Referee Observer: Edward Foley IRL
CFR Cluj – SC Braga
Referee: Elçin Masiyev AZE
Assistant Referee 1: Elşad Abdullayev AZE
Assistant Referee 2: Parvin Talibov AZE
Fourth Official: Farid Haciyev AZE
VAR: César Soto Grado ESP
AVAR: Alejandro Muñiz Ruiz ESP
Referee Observer: Dejan Filipović SRB
PAOK Salonic – Wolfsberger AC
Referee: Morten Krogh DEN
Assistant Referee 1: Dennis Rasmussen DEN
Assistant Referee 2: Steffen Bramsen DEN
Fourth Official: Jacob Karlsen DEN
VAR: Jonas Hansen DEN
AVAR: Sandi Putros DEN
Referee Observer: Levan Paniashvili GEO
Zrinjski Mostar – Breidablik
Referee: Enea Jorgji ALB
Assistant Referee 1: Denis Rexha ALB
Assistant Referee 2: Ridiger Çokaj ALB
Fourth Official: Olsid Ferataj ALB
VAR: Stuart Attwell ENG
AVAR: Albert Doda ALB
Referee Observer: Stefan Johannesson SWE
Panathinaikos – Shakhtar Donetsk
Referee: Erik Lambrechts BEL
Assistant Referee 1: Jo De Weirdt BEL
Assistant Referee 2: Kevin Monteny BEL
Fourth Official: Nathan Verboomen BEL
VAR: Clay Ruperti NED
AVAR: Bert Put BEL
Referee Observer: Vlado Svilokos CRO
FCSB – Drita
Referee: Damian Sylwestrzak POL
Assistant Referee 1: Pawel Sokolnicki POL
Assistant Referee 2: Adam Karasewicz POL
Fourth Official: Marcin Kochanek POL
VAR: Tomasz Kwiatkowski POL
AVAR: Kornel Paszkiewicz POL
Referee Observer: Pascal Garibian FRA
Servette – Utrecht
Referee: Harm Osmers GER
Assistant Referee 1: Dominik Schaal GER
Assistant Referee 2: Christian Gittelmann GER
Fourth Official: Tobias Reichel GER
VAR: Sören Storks GER
AVAR: Benjamin Cortus GER
Referee Observer: Ichko Lozev BUL
