Group B
18 September 2018, 18:55 CET - Barcelona (Camp Nou)
FC Barcelona (ESP) - PSV Eindhoven (NED)
Referee: Anastásios Sidirópoulos (GRE)
Assistant Referee 1: Polychrónis Kostarás (GRE)
Assistant Referee 2: Lázaros Dimitriádis (GRE)
Fourth Official: Damianós Efthymiádis (GRE)
Additional Assistant Referee 1: Anastásios Papapétrou (GRE)
Additional Assistant Referee 2: Ioánnis Papadópoulos (GRE)
UEFA Referee Observer: Michael Riley (ENG)
UEFA Delegate: Alan McRae (SCO)
Group B
18 September 2018, 18:55 CET - Milan (Stadio Giuseppe Meazza)
FC Internazionale Milano (ITA) - Tottenham Hotspur FC (ENG)
Referee: Clément Turpin (FRA)
Assistant Referee 1: Nicolas Danos (FRA)
Assistant Referee 2: Cyril Gringore (FRA)
Fourth Official: Guillaume Debart (FRA)
Additional Assistant Referee 1: Ruddy Buquet (FRA)
Additional Assistant Referee 2: Nicolas Rainville (FRA)
UEFA Referee Observer: Konrad Plautz (AUT)
UEFA Delegate: Jozef Kliment (SVK)
Group A
18 September 2018, 21:00 CET - Bruges (Jan Breydelstadion)
Club Brugge (BEL) - Borussia Dortmund (GER)
Referee: Danny Makkelie (NED)
Assistant Referee 1: Mario Diks (NED)
Assistant Referee 2: Hessel Steegstra (NED)
Fourth Official: Jan de Vries (NED)
Additional Assistant Referee 1: Kevin Blom (NED)
Additional Assistant Referee 2: Jochem Kamphuis (NED)
UEFA Referee Observer: Levan Paniashvili (GEO)
UEFA Delegate: Zoran Cvrk (CRO)
Group A
18 September 2018, 21:00 CET - Monaco (Stade Louis II)
AS Monaco FC (FRA) - Club Atlético de Madrid (ESP)
Referee: William Collum (SCO)
Assistant Referee 1: David McGeachie (SCO)
Assistant Referee 2: Graeme Stewart (SCO)
Fourth Official: Douglas Potter (SCO)
Additional Assistant Referee 1: Andrew Dallas (SCO)
Additional Assistant Referee 2: Nicolas Walsh (SCO)
UEFA Referee Observer: Kaj Østergaard (DEN)
UEFA Delegate: Roy Cathcart (NIR)
Group C
18 September 2018, 21:00 CET - Liverpool (Anfield)
Liverpool FC (ENG) - Paris Saint-Germain (FRA)
Referee: Cüneyt Çakır (TUR)
Assistant Referee 1: Bahattin Duran (TUR)
Assistant Referee 2: Tarık Ongun (TUR)
Fourth Official: Mustafa Emre Eyisoy (TUR)
Additional Assistant Referee 1: Hüseyin Göçek (TUR)
Additional Assistant Referee 2: Barış Şimşek (TUR)
UEFA Referee Observer: Miroslav Liba (CZE)
UEFA Delegate: Dag Steinar Vestlund (NOR)
Group C
18 September 2018, 21:00 CET - Belgrade (Stadion Rajko Mitić)
FK Crvena zvezda (SRB) - SSC Napoli (ITA)
Referee: Szymon Marciniak (POL)
Assistant Referee 1: Paweł Sokolnicki (POL)
Assistant Referee 2: Tomasz Listkiewicz (POL)
Fourth Official: Radosław Siejka (POL)
Additional Assistant Referee 1: Paweł Raczkowski (POL)
Additional Assistant Referee 2: Tomasz Musiał (POL)
UEFA Referee Observer: Sándor Piller (HUN)
UEFA Delegate: Ádonis Prokopíou (CYP)
Group D
18 September 2018, 21:00 CET - Istanbul (Ali Sami Yen Spor Kompleksi Türk Telekom Stadyumu)
Galatasaray (TUR) - FC Lokomotiv Moskva (RUS)
Referee: Gianluca Rocchi (ITA)
Assistant Referee 1: Mauro Tonolini (ITA)
Assistant Referee 2: Filippo Meli (ITA)
Fourth Official: Matteo Passeri (ITA)
Additional Assistant Referee 1: Luca Banti (ITA)
Additional Assistant Referee 2: Massimiliano Irrati (ITA)
UEFA Referee Observer: Vladimir Antonov (MDA)
UEFA Delegate: Milovan Đukanović (MNE)
Group D
18 September 2018, 21:00 CET - Gelsenkirchen (VELTINS-Arena)
FC Schalke 04 (GER) - FC Porto (POR)
Referee: Jesús Gil Manzano (ESP)
Assistant Referee 1: Ángel Nevado Rodríguez (ESP)
Assistant Referee 2: Diego Barbero Sevilla (ESP)
Fourth Official: Javier Martínez Nicolás (ESP)
Additional Assistant Referee 1: Ricardo de Burgos Bengoetxea (ESP)
Additional Assistant Referee 2: José Luis Munuera Montero (ESP)
UEFA Referee Observer: Frank De Bleeckere (BEL)
UEFA Delegate: Mark Evans (WAL)
