22-23 March 2018
Northern Ireland – Spain
Referee: Bartosz Frankowski (POL, photo)
Assistant Referee 1: Dawid Golis (POL)
Assistant Referee 2: Jakub Winkler (POL)
Fourth Official: Zbigniew Dobrynin (POL)
Referee Observer: Laurent Duhamel (FRA)
Germany – Israel
Referee: Mario Zebec (CRO)
Assistant Referee 1: Borut Križarić (CRO)
Assistant Referee 2: Jerko Crnčić (CRO)
Fourth Official: Bruno Marić (CRO)
Referee Observer: Raymond Ellingham (WAL)
Greece – San Marino
Referee: Fyodor Zammit (MLT)
Assistant Referee 1: Luke Portelli (MLT)
Assistant Referee 2: Mitchell Scerri (MLT)
Fourth Official: Matthew De Gabriele (MLT)
Referee Observer: David Malcolm (NIR)
Kosovo – Azerbaijan
Referee: Donald Robertson (SCO)
Assistant Referee 1: Jordan Stokoe (SCO)
Assistant Referee 2: Sean Carr (SCO)
Fourth Official: Nicholas Walsh (SCO)
Referee Observer: Nikolai Ivanov (RUS)
Hungary – Cyprus
Referee: Robert Harvey (IRL)
Assistant Referee 1: Dermot Broughton (IRL)
Assistant Referee 2: Mark Gavin (IRL)
Fourth Official: Graham Kelly (IRL)
Referee Observer: Karel Bohuněk (CZE)
Turkey – Sweden
Referee: Dennis Higler (NED)
Assistant Referee 1: Charles Schaap (NED)
Assistant Referee 2: Jan de Vries (NED)
Fourth Official: Siemen Mulder (NED)
Referee Observer: António Almeida (POR)
FYR Macedonia – Russia
Referee: Horațiu Feșnic (ROU)
Assistant Referee 1: Alexandru Cerei (ROU)
Assistant Referee 2: Valentin Avram (ROU)
Fourth Official: Andrei Chivulete (ROU)
Referee Observer: Vadims Direktorenko (LVA)
Kazakhstan – France
Referee: Keith Kennedy (NIR)
Assistant Referee 1: Stephen Donaldson (NIR)
Assistant Referee 2: Georgios Argyropoulos (NIR)
Fourth Official: Ian McNabb (NIR)
Referee Observer: Petteri Kari (FIN)
Bosnia and Herzegovina – Wales
Referee: Espen Eskås (NOR)
Assistant Referee 1: Kim Haglund (NOR)
Assistant Referee 2: Morten Jensen (NOR)
Fourth Official: Kai Erik Steen (NOR)
Referee Observer: Ioánnis Tsacheilídis (GRE)
Czech Republic – Croatia
Referee: Alexandre Boucaut (BEL)
Assistant Referee 1: Laurent Conotte (BEL)
Assistant Referee 2: Frédéric Godelaine (BEL)
Fourth Official: Jan Boterberg (BEL)
Referee Observer: Brian Lawlor (WAL)
Georgia – Faroe Islands
Referee: Zaven Hovhannisyan (ARM)
Assistant Referee 1: Mesrop Ghazaryan (ARM)
Assistant Referee 2: Erik Arevshatyan (ARM)
Fourth Official: Suren Baliyan (ARM)
Referee Observer: Dragutin Poljak (CRO)
Lithuania – Finland
Referee: Zbyněk Proske (CZE)
Assistant Referee 1: Radek Kotík (CZE)
Assistant Referee 2: Tomáš Mokrusch (CZE)
Fourth Official: Ondřej Berka (CZE)
Referee Observer: Plarent Kotherja (ALB)
Albania – Slovakia
Referee: Stefan Apostolov (BUL)
Assistant Referee 1: Veselin Dobriyanov (BUL)
Assistant Referee 2: Ivo Kolev (BUL)
Fourth Official: Nikola Popov (BUL)
Referee Observer: Cyril Zimmermann (SUI)
Andorra – Scotland
Referee: Alain Durieux (LUX)
Assistant Referee 1: Daniel Da Costa (LUX)
Assistant Referee 2: Tom Hansen (LUX)
Fourth Official: Laurent Wilmes (LUX)
Referee Observer: Dejan Filipović (SRB)
Luxembourg – Montenegro
Referee: Mykola Balakin (UKR)
Assistant Referee 1: Ihor Alokhin (UKR)
Assistant Referee 2: Semen Shlonchak (UKR)
Fourth Official: Vitali Romanov (UKR)
Referee Observer: Eyjólfur Ólafsson (ISL)
Portugal – Liechtenstein
Referee: Genc Nuza (KVX)
Assistant Referee 1: Fatlum Berisha (KVX)
Assistant Referee 2: Bujar Selimaj (KVX)
Fourth Official: Visar Kastrati (KVX)
Referee Observer: Aleksei Spirin (RUS)
Gibraltar – Serbia
Referee: Juri Frischer (EST)
Assistant Referee 1: Dmitri Vinogradov (EST)
Assistant Referee 2: Veiko Mõtsnik (EST)
Fourth Official: Kristo Külljastinen (EST)
Referee Observer: Ferenc Székely (HUN)