Greece – Portugal
Referee: Fabio Maresca (ITA, photo)
Assistant Referee 1: Marco Bresmes (ITA)
Assistant Referee 2: Davide Imperiale (ITA)
Fourth Official: Luca Massimi (ITA)
Referee Observer: Edgar Steinborn (GER)
Gibraltar – Moldova
Referee: Vitalijs Spasjonnikovs (LVA)
Assistant Referee 1: Raimonds Tatriks (LVA)
Assistant Referee 2: Martins Svipsts (LVA)
Fourth Official: Kristaps Ratnieks (LVA)
Referee Observer: Gunnar Jonsson (ISL)
Kazakhstan – Scotland
Referee: Dumitru Muntean (MDA)
Assistant Referee 1: Vlad Lifciu (MDA)
Assistant Referee 2: Vadim Vicol (MDA)
Fourth Official: Piotr Stoianov (MDA)
Referee Observer: Nicolae Grigorescu (ROU)
Cyprus – Iceland
Referee: Georgi Davidov (BUL)
Assistant Referee 1: Georgi Doynov (BUL)
Assistant Referee 2: Petar Mitrev (BUL)
Fourth Official: Dragomir Draganov (BUL)
Referee Observer: Ante Vučemilović-Šimunović (CRO)
Poland – Hungary
Referee: Kristoffer Hagenes (NOR)
Assistant Referee 1: Anders Dale (NOR)
Assistant Referee 2: Christer Jorgensen (NOR)
Fourth Official: Sivert Amland NOR)
Referee Observer: David Malcolm (NIR)
Malta – Lithuania
Referee: Thorvaldur Arnason (ISL)
Assistant Referee 1: Johann Gudmundsson (ISL)
Assistant Referee 2: Andri Vigfusson (ISL)
Fourth Official: Johann Jonsson (ISL)
Referee Observer: Igor Pristovnik (CRO)
Slovakia – Spain
Referee: Christopher Jager (AUT)
Assistant Referee 1: Maximilian Weiss (AUT)
Assistant Referee 2: Jasmin Sabanovic (AUT)
Fourth Official: Alan Kijas (AUT)
Referee Observer: Sascha Amhof (SUI)
Wales – Bulgaria
Referee: Pavel Orel (CZE)
Assistant Referee 1: Petr Caletka (CZE)
Assistant Referee 2: Dan Vodrazka (CZE)
Fourth Official: Jan Machalek (CZE)
Referee Observer: Hannes Kaasik (EST)
Slovenia – Kosovo
Referee: Ioannis Papadopoulos (GRE)
Assistant Referee 1: Konstantinos Nikolaidis (GRE)
Assistant Referee 2: Vasileios Nikolakakis (GRE)
Fourth Official: Eftathios Gkortsilas (GRE)
Referee Observer: Ian Stokes (WAL)
Serbia – Armenia
Referee: Gal Leibovitz (ISR)
Assistant Referee 1: Matityahu Yakobov (ISR)
Assistant Referee 2: Omer Barbiro (ISR)
Fourth Official: Idan Leiba (ISR)
Referee Observer: Nerijus Dunauskas (LTU)
Israel – Germany
Referee: Jeremie Pignard (FRA)
Assistant Referee 1: Aurelien Drouet (FRA)
Assistant Referee 2: Mikael Berchebru (FRA)
Fourth Official: Jeremie Stinat (FRA)
Referee Observer: Martin Hansson (SWE)
Italy – Bosnia and Herzegovina
Referee: Nicolas Laforge (BEL)
Assistant Referee 1: Ruben Wyns (BEL)
Assistant Referee 2: Vito Di Vincenzo (BEL)
Fourth Official: Jasper Vergoote (BEL)
Referee Observer: Georgios Bikas (GRE)
Austria – Norway
Referee: Morten Krogh (DEN)
Assistant Referee 1: Jesper Dahl (DEN)
Assistant Referee 2: Victor Skytte (DEN)
Fourth Official: Jens Maae (DEN)
Referee Observer: Michalis Argyrou (CYP)
Sweden – Ireland
Referee: Vitor Ferreira (POR)
Assistant Referee 1: Paulo Bras (POR)
Assistant Referee 2: Luis Costa (POR)
Fourth Official: Helder Malheiro (POR)
Referee Observer: Thomas Einwaller (AUT)
Andorra – Czech Republic
Referee: Matthew De Gabriele (MLT)
Assistant Referee 1: Jurgen Spiteri (MLT)
Assistant Referee 2: Mitchell Scerri (MLT)
Fourth Official: Alex Johnson (MLT)
Referee Observer: William Young (SCO)
North Macedonia – Faroe Islands
Referee: Daniyar Sakhi (KAZ)
Assistant Referee 1: Yuri Tikhonyuk (KAZ)
Assistant Referee 2: Samat Tergeussizov (KAZ)
Fourth Official: Bulat Sariyev (KAZ)
Referee Observer: Erol Ersoy (TUR)
Croatia – Finland
Referee: Adam Farkas (HUN)
Assistant Referee 1: Peter Kobor (HUN)
Assistant Referee 2: Gergo Vigh-Tarsonyi (HUN)
Fourth Official: Mihaly Kapraly (HUN)
Referee Observer: Calum Murray (SCO)
Netherlands – Switzerland
Referee: Rohit Saggi (NOR)
Assistant Referee 1: Geir Isaksen (NOR)
Assistant Referee 2: Morten Jensen (NOR)
Fourth Official: Marius Hansen (NOR)
Referee Observer: Carlos Clos Gomez (ESP)
Denmark – Belgium
Referee: Urs Schnyder (SUI)
Assistant Referee 1: Marco Zürcher (SUI)
Assistant Referee 2: Jan Köbeli (SUI)
Fourth Official: Sven Wolfensberger (SUI)
Referee Observer: Bariş Şimşek (TUR)
San Marino – Latvia
Referee: Luis Teixeira (AND)
Assistant Referee 1: Bruno Parente (AND)
Assistant Referee 2: Juan Serra (AND)
Fourth Official: Rui De Queiros (AND)
Referee Observer: Christopher Lautier (MLT)
Albania – England
Referee: Kaspar Sjöberg (SWE)
Assistant Referee 1: Niklas Nyberg (SWE)
Assistant Referee 2: Max Wilde (SWE)
Fourth Official: Fredrik Klitte (SWE)
Referee Observer: Rudy Bossen (NED)