Italy – Armenia
Referee: Stephanie Frappart (FRA, photo)
Assistant Referee 1: Mehdi Rahmouni (FRA)
Assistant Referee 2: Philippe Jeanne (FRA)
Fourth Official: Willy Delajod (FRA)
Referee Observer: Bo Karlsson (SWE)
Slovakia – Georgia
Referee: Eldorjan Hamiti (ALB)
Assistant Referee 1: Nertil Bregasi (ALB)
Assistant Referee 2: Denis Agaraj (ALB)
Fourth Official: Kreshnik Cjapi (ALB)
Referee Observer: Kjell Alseth (NOR)
Germany – Belgium
Referee: Fábio Veríssimo (POR)
Assistant Referee 1: Álvaro Mesquita (POR)
Assistant Referee 2: Nuno Pereira (POR)
Fourth Official: Hélder Malheiro (POR)
Referee Observer: Bernardino González Vázquez (ESP)
Croatia – Czech Republic
Referee: Espen Eskas (NOR)
Assistant Referee 1: Oystein Ytterland (NOR)
Assistant Referee 2: Morten Jensen (NOR)
Fourth Official: Rohit Saggi (NOR)
Referee Observer: Albano Janku (ALB)
Wales – Bosnia and Herzegovina
Referee: Geórgios Komínis (GRE)
Assistant Referee 1: Chrístos Akrívos (GRE)
Assistant Referee 2: Ráinhard Boúxbaoum (GRE)
Fourth Official: Aristoménis Koutsiáftis (GRE)
Referee Observer: René Temmink (NED)
Andorra – Turkey
Referee: Dragan Petrović (BIH)
Assistant Referee 1: Sreten Udovičić (BIH)
Assistant Referee 2: Damir Lazić (BIH)
Fourth Official: Zoran Grbić (BIH)
Referee Observer: Gerard Perry (IRL)
Faroe Islands – North Macedonia
Referee: Aleksandrs Golubevs (LVA)
Assistant Referee 1: Raimonds Tatriks (LVA)
Assistant Referee 2: Romāns Platonovs (LVA)
Fourth Official: Edgars Maļcevs (LVA)
Referee Observer: Michal Beneš (CZE)
Denmark – Malta
Referee: Luís Teixeira (AND)
Assistant Referee 1: Hugo Pereira (AND)
Assistant Referee 2: Bruno Fernandes (AND)
Fourth Official: Joan Serra (AND)
Referee Observer: Sergejus Slyva (LTU)
Israel – Spain
Referee: Duje Strukan (CRO)
Assistant Referee 1: Goran Perica (CRO)
Assistant Referee 2: Mario Pepur (CRO)
Fourth Official: Fran Jović (CRO)
Referee Observer: Robert Małek (POL)
Norway – Portugal
Referee: Sergei Lapochkin (RUS)
Assistant Referee 1: Roman Usachev (RUS)
Assistant Referee 2: Aleksei Lunev (RUS)
Fourth Official: Mikhail Vilkov (RUS)
Referee Observer: Lassin Isaksen (FRO)
Northern Ireland – Romania
Referee: Kai Erik Steen (NOR)
Assistant Referee 1: Jan Engan (NOR)
Assistant Referee 2: Tom Gronevik (NOR)
Fourth Official: Kristoffer Hagenes (NOR)
Referee Observer: Jens Larsen (DEN)
Switzerland – France
Referee: Stuart Attwell (ENG)
Assistant Referee 1: Edward Smart (ENG)
Assistant Referee 2: Harry Lennard (ENG)
Fourth Official: David Coote (ENG)
Referee Observer: Michális Koukoulákis (GRE)
Serbia – Russia
Referee: Juan Martínez Munuera (ESP)
Assistant Referee 1: Pau Cebrián Devís (ESP)
Assistant Referee 2: Miguel Martínez Munuera (ESP)
Fourth Official: Guillermo Cuadra Fernández (ESP)
Referee Observer: Vlado Svilokos (CRO)
Gibraltar – Belarus
Referee: Bram Van Driessche (BEL)
Assistant Referee 1: Yves De Neve (BEL)
Assistant Referee 2: Kevin Monteny (BEL)
Fourth Official: Kevin Van Damme (BEL)
Referee Observer: João Ferreira (POR)
Ireland – Sweden
Referee: Karim Abed (FRA)
Assistant Referee 1: Cyril Mugnier (FRA)
Assistant Referee 2: Aurélien Berthomieu (FRA)
Fourth Official: Florent Batta (FRA)
Referee Observer: Leslie Irvine (NIR)