Czech Republic – Kosovo
Referee: Gianluca Rocchi (ITA, photo)
Assistant Referee 1: Filippo Meli (ITA)
Assistant Referee 2: Ciro Carbone (ITA)
Fourth Official: Massimiliano Irrati (ITA)
Referee Observer: Murat Ilgaz (TUR)
Turkey – Iceland
Referee: Anthony Taylor (ENG)
Assistant Referee 1: Gary Beswick (ENG)
Assistant Referee 2: Adam Nunn (ENG)
Fourth Official: Stuart Attwell (ENG)
Referee Observer: Levan Paniashvili (GEO)
England – Montenegro
Referee: Antonio Mateu Lahoz (ESP)
Assistant Referee 1: Pau Cebrián Devís (ESP)
Assistant Referee 2: Roberto Díaz Pérez (ESP)
Fourth Official: Xavier Estrada Fernández (ESP)
Referee Observer: Luciano Luci (ITA)
Portugal – Lithuania
Referee: Ruddy Buquet (FRA)
Assistant Referee 1: Guillaume Debart (FRA)
Assistant Referee 2: Julien Pacelli (FRA)
Fourth Official: Amaury Delerue (FRA)
Referee Observer: Alexandru Deaconu (ROU)
Serbia – Luxembourg
Referee: Serdar Gözübüyük (NED)
Assistant Referee 1: Charles Schaap (NED)
Assistant Referee 2: Jan de Vries (NED)
Fourth Official: Pol van Boekel (NED)
Referee Observer: Juan Fernández Marín (ESP)
Albania – Andorra
Referee: Kristo Tohver (EST)
Assistant Referee 1: Silver Koiv (EST)
Assistant Referee 2: Aron Härsing (EST)
Fourth Official: Roomer Tarajev (EST)
Referee Observer: Sándor Piller (HUN)
France – Moldova
Referee: Gediminas Mažeika (LTU)
Assistant Referee 1: Vytautas Šimkus (LTU)
Assistant Referee 2: Vyteniz Kazlauskas (LTU)
Fourth Official: Manfredas Lukjančukas (LTU)
Referee Observer: Brian Lawlor (WAL)
Norway – Faroe Islands
Referee: Fran Jović (CRO)
Assistant Referee 1: Ivica Modrić (CRO)
Assistant Referee 2: Hrvoje Radić (CRO)
Fourth Official: Igor Pajač (CRO)
Referee Observer: Nicolae Grigorescu (ROU)
Armenia – Greece
Referee: Paweł Raczkowski (POL)
Assistant Referee 1: Michał Obukowicz (POL)
Assistant Referee 2: Radosław Siejka (POL)
Fourth Official: Daniel Stefański (POL)
Referee Observer: Ladislav Gádoši (SVK)
Finland – Liechtenstein
Referee: Benoît Bastien (FRA)
Assistant Referee 1: Hicham Zakrani (FRA)
Assistant Referee 2: Frédéric Haquette (FRA)
Fourth Official: Benoît Millot (FRA)
Referee Observer: Kaj Ostergaard (DEN)
Denmark – Gibraltar
Referee: István Vad (HUN)
Assistant Referee 1: István Albert (HUN)
Assistant Referee 2: Péter Berettyán (HUN)
Fourth Official: Ádám Farkas (HUN)
Referee Observer: Pascal Garibian (FRA)
Switzerland – Georgia
Referee: Danny Makkelie (NED)
Assistant Referee 1: Mario Diks (NED)
Assistant Referee 2: Hessel Steegstra (NED)
Fourth Official: Kevin Blom (NED)
Referee Observer: Miroslav Tulinger (CZE)
Romania – Sweden
Referee: Daniele Orsato (ITA)
Assistant Referee 1: Lorenzo Manganelli (ITA)
Assistant Referee 2: Fabiano Preti (ITA)
Fourth Official: Michael Fabbri (ITA)
Referee Observer: Marián Ružbarský (SVK)
Spain – Malta
Referee: Viktor Kassai (HUN)
Assistant Referee 1: György Ring (HUN)
Assistant Referee 2: Vencel Tóth (HUN)
Fourth Official: Tamás Bognár (HUN)
Referee Observer: Sabri Çelik (TUR)
Bosnia and Herzegovina – Italy
Referee: Sandro Schärer (SUI)
Assistant Referee 1: Stéphane De Almeida (SUI)
Assistant Referee 2: Bekim Zogaj (SUI)
Fourth Official: Alain Bieri (SUI)
Referee Observer: Yuri Baskakov (RUS)
Cyprus – Scotland
Referee: Harald Lechner (AUT)
Assistant Referee 1: Andreas Heidenreich (AUT)
Assistant Referee 2: Maximilian Kolbitsch (AUT)
Fourth Official: Alexander Harkam (AUT)
Referee Observer: Rusmir Mrković (BIH)
Azerbaijan – Wales
Referee: Deniz Aytekin (GER)
Assistant Referee 1: Eduard Beitinger (GER)
Assistant Referee 2: Rafael Foltyn (GER)
Fourth Official: Christian Dingert (GER)
Referee Observer: Sergey Zuev (RUS)
Slovenia – Latvia
Referee: Radu Petrescu (ROU)
Assistant Referee 1: Radu Ghinguleac (ROU)
Assistant Referee 2: Mircea Grigoriu (ROU)
Fourth Official: Marcel Bîrsan (ROU)
Referee Observer: Peter Sippel (GER)
Russia – Belgium
Referee: Artur Soares Dias (POR)
Assistant Referee 1: Rui Tavares (POR)
Assistant Referee 2: Paulo Santos (POR)
Fourth Official: Hugo Miguel (POR)
Referee Observer: Paulius Malžinskas (LTU)
San Marino – Kazakhstan
Referee: Ali Palabiyik (TUR)
Assistant Referee 1: Mustafa Eyisoy (TUR)
Assistant Referee 2: Serkan Olguncan (TUR)
Fourth Official: Mete Kalkavan (TUR)
Referee Observer: Dejan Filipović (SRB)
Germany – Belarus
Referee: Orel Grinfeld (ISR)
Assistant Referee 1: Roi Hasan (ISR)
Assistant Referee 2: Idan Yarkoni (ISR)
Fourth Official: Roi Reinshreiber (ISR)
Referee Observer: Andreas Schluchter (SUI)
Northern Ireland – Netherlands
Referee: Szymon Marciniak (POL)
Assistant Referee 1: Pawel Sokolnicki (POL)
Assistant Referee 2: Tomasz Listkiewicz (POL)
Fourth Official: Tomasz Musial (POL)
Referee Observer: Kóstas Kapitanís (CYP)
Croatia – Slovakia
Referee: Clement Turpin (FRA)
Assistant Referee 1: Nicolas Danos (FRA)
Assistant Referee 2: Cyril Gringore (FRA)
Fourth Official: François Letexier (FRA)
Referee Observer: Nuno Castro (POR)
Austria – North Macedonia
Referee: Michael Oliver (ENG)
Assistant Referee 1: Stuart Burt (ENG)
Assistant Referee 2: Simon Bennett (ENG)
Fourth Official: Paul Tierney (ENG)
Referee Observer: Nicola Rizzoli (ITA)
Israel – Poland
Referee: Mattias Gestranius (FIN)
Assistant Referee 1: Jan-Peter Aravirta (FIN)
Assistant Referee 2: Mikko Alakare (FIN)
Fourth Official: Kaarlo Hämäläinen (FIN)
Referee Observer: Gevorg Hovhannisyan (ARM)