Spain – Austria
Referee: Mads-Kristoffer Kristoffersen (DEN)
Assistant Referee 1: Rejdi Avdo (ALB)
Assistant Referee 2: Nuno Pereira (POR)
Fourth Official: Ivaylo Stoyanov (BUL)
Referee Observer: Jozef Marko (SVK)
Czech Republic – Slovenia
Referee: Marius Avram (ROU)
Assistant Referee 1: Mehmet Culum (SWE)
Assistant Referee 2: Romans Platonovs (LVA)
Fourth Official: Tsvetan Krastev (BUL)
Referee Observer: Uno Tutk (EST)
Belgium – Germany
Referee: Danilo Grujić (SRB)
Assistant Referee 1: Erik Arevshatyan (ARM)
Assistant Referee 2: Aleh Maslianka (BLR)
Fourth Official: Georgi Kabakov (BUL)
Referee Observer: Stefan Ormandjiev (BUL)
Bulgaria – Croatia
Referee: Paweł Raczkowski (POL)
Assistant Referee 1: Sten Klaasen (EST)
Assistant Referee 2: Ville Koskiniemi (FIN)
Fourth Official: Roi Reinshreiber (ISR)
Referee Observer: Marc Batta (FRA)
7 May 2015
Ireland – Netherlands
Referee: Dumitri Muntean (MDA)
Assistant Referee 1: Erik Arevshatyan (ARM)
Assistant Referee 2: Romans Platonovs (LVA)
Fourth Official: Ivaylo Stoyanov (BUL)
Referee Observer: Jozef Marko (SVK)
Greece – Russia
Referee: Erik Lambrechts (BEL)
Assistant Referee 1: Namik Huseynov (AZE)
Assistant Referee 2: Gareth Jones (WAL)
Fourth Official: Georgi Kabakov (BUL)
Referee Observer: Stefan Ormandjiev (BUL)
Scotland – France
Referee: Alan Sant (MLT)
Assistant Referee 1: Dovydas Sužiedėlis (LTU)
Assistant Referee 2: Erik Weiss (SVK)
Fourth Official: Tsvetan Krastev (BUL)
Referee Observer: Uno Tutk (EST)
Italy – England
Referee: Adrien Jaccottet (SUI)
Assistant Referee 1: Rejdi Avdo (ALB)
Assistant Referee 2: Mehmet Culum (SWE)
Fourth Official: Nikola Popov (BUL)
Referee Observer: Marc Batta (FRA)