Scotland – Croatia
Referee: Michael Fabbri (ITA, photo)
Assistant Referee 1: Giorgio Peretti (ITA)
Assistant Referee 2: Valerio Colarossi (ITA)
Fourth Official: Gianpaolo Calvarese (ITA)
Referee Observer: Leslie Irvine (NIR)
Georgia – Slovakia
Referee: Gergo Bogar (HUN)
Assistant Referee 1: Balazs Buzas (HUN)
Assistant Referee 2: Peter Garai (HUN)
Fourth Official: Bence Csonka (HUN)
Referee Observer: Dejan Filipović (SRB)
Iceland – Italy
Referee: Ioannis Papadopoulos (GRE)
Assistant Referee 1: Vasileios Nikolakakis (GRE)
Assistant Referee 2: Konstantinos Nikolaidis (GRE)
Fourth Official: Athanasios Tzilos (GRE)
Referee Observer: Jan Carlsen (DEN)
Israel – North Macedonia
Referee: Viktor Kopiievskyi (UKR)
Assistant Referee 1: Viktor Matyash (UKR)
Assistant Referee 2: Oleksandr Zhukov (UKR)
Fourth Official: Denys Shurman (UKR)
Referee Observer: Pascal Garibian (FRA)
Switzerland – Azerbaijan
Referee: Kaspar Sjöberg (SWE)
Assistant Referee 1: Peter Magnusson (SWE)
Assistant Referee 2: Max Robin Wilde (SWE)
Fourth Official: Victor Volf (SWE)
Referee Observer: Thomas Einwaller (AUT)
Spain – Faroe Islands
Referee: Admir Šehović (BIH)
Assistant Referee 1: Amer Macić (BIH)
Assistant Referee 2: Goran Dujak (BIH)
Fourth Official: Haris Kaljanac (BIH)
Referee Observer: Karel Vidlak (CZE)
Portugal – Belarus
Referee: Fedayi San SUI)
Assistant Referee 1: Stephane De Almeida (SUI)
Assistant Referee 2: Benjamin Zürcher (SUI)
Fourth Official: Sandro Schärer (SUI)
Referee Observer: Erol Ersoy (TUR)
Liechtenstein – France
Referee: Morten Krogh (DEN)
Assistant Referee 1: Niels Hog (DEN)
Assistant Referee 2: Jesper Dahl (DEN)
Fourth Official: Aydin Uslu (DEN)
Referee Observer: Andreas Schluchter (SUI)
Armenia – Sweden
Referee: Marcel Birsan (ROU)
Assistant Referee 1: Vladimir Urzica (ROU)
Assistant Referee 2: Mihai Marica (ROU)
Fourth Official: Marian Barbu (ROU)
Referee Observer: Nuno Castro (POR)
Malta – Ukraine
Referee: Pavel Rejzek (CZE)
Assistant Referee 1: Jan Patak (CZE)
Assistant Referee 2: Radek Kotik (CZE)
Fourth Official: Zbynek Proske (CZE)
Referee Observer: Jon Skjervold (NOR)
Lithuania – San Marino
Referee: Dzmitry Dzmitryieu (BLR)
Assistant Referee 1: Dzianis Yemelyanchykau (BLR)
Assistant Referee 2: Anton Ihnatsiuk (BLR)
Fourth Official: Viktar Shymusik (BLR)
Referee Observer: Milan Karadžić (SRB)
Turkey – Austria
Referee: Balazs Berke (HUN)
Assistant Referee 1: Theodoros Georgiou (HUN)
Assistant Referee 2: Gergő Vígh-Tarsony (HUN)
Fourth Official: Peter Solymosi (HUN)
Referee Observer: Luc Wouters (BEL)
Greece – Czech Republic
Referee: Adrien Jaccottet (SUI)
Assistant Referee 1: Vital Jobin (SUI)
Assistant Referee 2: Pascal Hirzel (SUI)
Fourth Official: Stefan Horisberger (SUI)
Referee Observer: Stephane Lannoy (FRA)
Wales – Moldova
Referee: Loukas Sotiriou (CYP)
Assistant Referee 1: Charalambos Georgiou (CYP)
Assistant Referee 2: Nicos Egglezou (CYP)
Fourth Official: Kyriakos Christodoulou (CYP)
Referee Observer: Stephen Lodge (ENG)
Kosovo – Albania
Referee: Nathan Verboomen (BEL)
Assistant Referee 1: Mathias Hillaert (BEL)
Assistant Referee 2: Ruben Wyns (BEL)
Fourth Official: Lothar D'Hondt (BEL)
Referee Observer: Yuri Baskakov (RUS)
England – Andorra
Referee: Sigurd Kringstad (NOR)
Assistant Referee 1: Geir Isaksen (NOR)
Assistant Referee 2: Anders Dale (NOR)
Fourth Official: Marius Grotta (NOR)
Referee Observer: Mark Whitby (WAL)