24 March 2019
Netherlands – Germany
Referee: Jesus Gil Manzano (ESP, photo)
Assistant Referee 1: Angel Nevado Rodríguez (ESP)
Assistant Referee 2: Diego Barbero Sevilla (ESP)
Fourth Official: Juan Martínez Munuera (ESP)
Referee Observer: Vítor Melo Pereira (POR)
Wales – Slovakia
Referee: Felix Zwayer (GER)
Assistant Referee 1: Thorsten Schiffner (GER)
Assistant Referee 2: Marco Achmüller (GER)
Fourth Official: Marco Fritz (GER)
Referee Observer: Bernardino González Vázquez (ESP)
Kazakhstan – Russia
Referee: Slavko Vinčič (SVN)
Assistant Referee 1: Tomaž Klančnik (SVN)
Assistant Referee 2: Andraž Kovačič (SVN)
Fourth Official: Rade Obrenovič (SVN)
Referee Observer: Stephen Lodge (ENG)
Hungary – Croatia
Referee: William Collum (SCO)
Assistant Referee 1: David McGeachie (SCO)
Assistant Referee 2: Graeme Stewart (SCO)
Fourth Official: Robert Madden (SCO)
Referee Observer: Sergey Zuev (RUS)
Israel – Austria
Referee: Yevhen Aranovskyy (UKR)
Assistant Referee 1: Andriy Skrypka (UKR)
Assistant Referee 2: Volodymyr Volodin (UKR)
Fourth Official: Vitaliy Romanov (UKR)
Referee Observer: Tomasz Mikulski (POL)
San Marino – Scotland
Referee: Manuel Schüttengruber (AUT)
Assistant Referee 1: Roland Brandner (AUT)
Assistant Referee 2: Stefan Kühr (AUT)
Fourth Official: Christopher Jäger (AUT)
Referee Observer: Zbigniew Przesmycki (POL)
Northern Ireland – Belarus
Referee: Paweł Raczkowski (POL)
Assistant Referee 1: Michał Obukowicz (POL)
Assistant Referee 2: Radosław Siejka (POL)
Fourth Official: Krzysztof Jakubik (POL)
Referee Observer: Manuel Díaz Vega (ESP)
Poland – Latvia
Referee: Aliyar Ağayev (AZE)
Assistant Referee 1: Rza Mammadov (AZE)
Assistant Referee 2: Namiq Hüseynov (AZE)
Fourth Official: Rahim Hasanov (AZE)
Referee Observer: Edgar Steinborn (GER)
Slovenia – FYR Macedonia
Referee: Xavier Estrada Fernández (ESP)
Assistant Referee 1: Javier Aguilar Rodríguez (ESP)
Assistant Referee 2: Teodoro Sobrino Magán (ESP)
Fourth Official: Alejandro Hernández Hernández (ESP)
Referee Observer: Yuri Baskakov (RUS)
Cyprus – Belgium
Referee: François Letexier (FRA)
Assistant Referee 1: Cyril Mugnier (FRA)
Assistant Referee 2: Mehdi Rahmouni (FRA)
Fourth Official: Jérôme Brisard (FRA)
Referee Observer: Nicolae Grigorescu (ROU)
25 March 2019
Turkey – Moldova
Referee: Serhiy Boyko (UKR)
Assistant Referee 1: Semen Shlonchak (UKR)
Assistant Referee 2: Ihor Alokhin (UKR)
Fourth Official: Mykola Balakin (UKR)
Referee Observer: John Ferry (NIR)
Kosovo – Bulgaria
Referee: Gediminas Mažeika (LTU)
Assistant Referee 1: Vytautas Šimkus (LTU)
Assistant Referee 2: Vytenis Kazlauskas (LTU)
Fourth Official: Manfredas Lukjančukas (LTU)
Referee Observer: Andreas Schluchter (SUI)
Montenegro – England
Referee: Aleksei Kulbakou (BLR)
Assistant Referee 1: Dzmitrj Žuk (BLR)
Assistant Referee 2: Alieh Maslianka (BLR)
Fourth Official: Dzianis Ščarbakoŭ (BLR)
Referee Observer: Sándor Piller (HUN)
Luxembourg – Ukraine
Referee: Mattias Gestranius (FIN)
Assistant Referee 1: Jan-Peter Aravirta (FIN)
Assistant Referee 2: Mikko Alakare (FIN)
Fourth Official: Petri Viljanen (FIN)
Referee Observer: Ferenc Székely (HUN)
Portugal – Serbia
Referee: Szymon Marciniak (POL)
Assistant Referee 1: Paweł Sokolnicki (POL)
Assistant Referee 2: Tomasz Listkiewicz (POL)
Fourth Official: Tomasz Musiał (POL)
Referee Observer: Peter Fröjdfeldt (SWE)
Andorra – Albania
Referee: Filip Glova (SVK)
Assistant Referee 1: František Ferenc (SVK)
Assistant Referee 2: Peter Kováč (SVK)
Fourth Official: Boris Marhefka (SVK)
Referee Observer: Michális Koukoulákis (GRE)
France – Iceland
Referee: István Kovács (ROU)
Assistant Referee 1: Vasile Marinescu (ROU)
Assistant Referee 2: Mihai Artene (ROU)
Fourth Official: Marius Avram (ROU)
Referee Observer: Frank De Bleeckere (BEL)
26 March 2019
Armenia – Finland
Referee: Nikola Dabanović (MNE)
Assistant Referee 1: Milutin Đukić (MNE)
Assistant Referee 2: Jovica Tatar (MNE)
Fourth Official: Milovan Milačić (MNE)
Referee Observer: Shmuel Shteif (ISR)
Ireland – Georgia
Referee: Serdar Gözübüyük (NED)
Assistant Referee 1: Charles Schaap (NED)
Assistant Referee 2: Jan de Vries (NED)
Fourth Official: Dennis Higler (NED)
Referee Observer: Matteo Trefoloni (ITA)
Switzerland – Denmark
Referee: Damir Skomina (SVN)
Assistant Referee 1: Jure Praprotnik (SVN)
Assistant Referee 2: Robert Vukan (SVN)
Fourth Official: Matej Jug (SVN)
Referee Observer: Bertrand Layec (FRA)
Malta – Spain
Referee: Andrew Dallas (SCO)
Assistant Referee 1: Francis Connor (SCO)
Assistant Referee 2: Daniel McFarlane (SCO)
Fourth Official: Kevin Clancy (SCO)
Referee Observer: Zoran Petrović (SRB)
Norway – Sweden
Referee: Gianluca Rocchi (ITA)
Assistant Referee 1: Alberto Tegoni (ITA)
Assistant Referee 2: Giorgio Peretti (ITA)
Fourth Official: Daniele Doveri (ITA)
Referee Observer: William Young (SCO)
Romania – Faroe Islands
Referee: Halil Umut Meler (TUR)
Assistant Referee 1: Esat Sancaktar (TUR)
Assistant Referee 2: İbrahim Uyarcan (TUR)
Fourth Official: Mete Kalkavan (TUR)
Referee Observer: Igor Pristovnik (CRO)
Bosnia and Herzegovina – Greece
Referee: Danny Makkelie (NED)
Assistant Referee 1: Mario Diks (NED)
Assistant Referee 2: Hessel Steegstra (NED)
Fourth Official: Pol van Boekel (NED)
Referee Observer: Christer Fällström (SWE)
Italy – Liechtenstein
Referee: Kirill Levnikov (RUS)
Assistant Referee 1: Dmitri Mosyakin (RUS)
Assistant Referee 2: Aleksei Vorontsov (RUS)
Fourth Official: Vladimir Moskalev (RUS)
Referee Observer: Terje Hauge (NOR)