Belarus – Portugal
Referee: Ondřej Berka (CZE, photo)
Assistant Referee 1: Dan Vodrážka (CZE)
Assistant Referee 2: Jan Váňa (CZE)
Fourth Official: Josef Krejsa (CZE)
Referee Observer: Jens Larsen (DEN)
Denmark – Kazakhstan
Referee: Genc Nuza (KOS)
Assistant Referee 1: Fatlum Berisha (KOS)
Assistant Referee 2: Bujar Selimaj (KOS)
Fourth Official: Besfort Kasumi (KOS)
Referee Observer: Vencel Toth (HUN)
Andorra – Kosovo
Referee: Sandi Putros (DEN)
Assistant Referee 1: Ole Kronlykke (DEN)
Assistant Referee 2: Jesper Dahl (DEN)
Fourth Official: Jorgen Burchardt (DEN)
Referee Observer: Ante Vučemilović-Šimunović (CRO)
Switzerland – Bulgaria
Referee: Gustavo Correia (POR)
Assistant Referee 1: Pedro Ribeiro (POR)
Assistant Referee 2: Paulo Bras (POR)
Fourth Official: Hugo da Silva (POR)
Referee Observer: Volodymyr Petrov (UKR)
Belgium – Scotland
Referee: Georgi Davidov (BUL)
Assistant Referee 1: Georgi Doynov (BUL)
Assistant Referee 2: Georgi Todorov (BUL)
Fourth Official: Nikola Popov (BUL)
Referee Observer: Alan Sant (MLT)
Ukraine – North Macedonia
Referee: Goga Kikacheishvili (GEO)
Assistant Referee 1: Giorgi Elikashvili (GEO)
Assistant Referee 2: Davit Akhvlediani (GEO)
Fourth Official: Aleko Aptsiauri (GEO)
Referee Observer: Petteri Kari (FIN)
Cyprus – Greece
Referee: Alexandre Boucaut (BEL)
Assistant Referee 1: Florian Lemaire (BEL)
Assistant Referee 2: Quentin Lesceux (BEL)
Fourth Official: Jonathan Lardot (BEL)
Referee Observer: Kjell Alseth (NOR)
Ireland – Montenegro
Referee: Jan Petřík (CZE)
Assistant Referee 1: Petr Caletka (CZE)
Assistant Referee 2: Lukaš Slavíček (CZE)
Fourth Official: Marek Radina (CZE)
Referee Observer: Ferenc Szekely (HUN)
Luxembourg – Italy
Referee: Elçin Masiyev (AZE)
Assistant Referee 1: Elşad Abdullayev (AZE)
Assistant Referee 2: Parvin Talibov (AZE)
Fourth Official: Kamal Umudlu (AZE)
Referee Observer: Jouni Hyytiä (FIN)
Armenia – France
Referee: Joni Hyytiä (FIN)
Assistant Referee 1: Sami Nykänen (FIN)
Assistant Referee 2: Veli-Matti Leppänen (FIN)
Fourth Official: Antti Munukka (FIN)
Referee Observer: Thoroddur Hjaltalin (ISL)