Grup B
| # | Team | MP | W | D | L | F | A | D | P | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Barcelona | 1 | 1 | 0 | 0 | 4 | 0 | +4 | 3 | |||
| 2 | Inter Milan | 1 | 1 | 0 | 0 | 2 | 1 | +1 | 3 | |||
| 3 | | Tottenham Hotspur | 1 | 0 | 0 | 1 | 1 | 2 | -1 | 0 | ||
| 4 | | PSV Eindhoven | 1 | 0 | 0 | 1 | 0 | 4 | -4 | 0 |
Barcelona 4-0 PSV Eindhoven (Lionel Messi 31', 77', 87', Ousmane Dembele 74')
Inter Milan 2-1 Tottenham (Mauro Icardi 86', Matias Vecino 90+2'; Christian Eriksen 53')
Grup C
| # | Team | MP | W | D | L | F | A | D | P | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | | Liverpool | 1 | 1 | 0 | 0 | 3 | 2 | +1 | 3 | ||
| 2 | | Crvena Zvezda | 1 | 0 | 1 | 0 | 0 | 0 | +0 | 1 | ||
| 3 | Napoli | 1 | 0 | 1 | 0 | 0 | 0 | +0 | 1 | |||
| 4 | PSG | 1 | 0 | 0 | 1 | 2 | 3 | -1 | 0 |
Liverpool 3-2 PSG (Daniel Sturridge 30', James Milner 36'-pen., Roberto Firmino 90+2'; Thomas Meunier 40', Kylian Mbappe 83')
Crvena Zvezda 0-0 Napoli
Grup D
| # | Team | MP | W | D | L | F | A | D | P | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Galatasaray | 1 | 1 | 0 | 0 | 3 | 0 | +3 | 3 | |||
| 2 | | Porto | 1 | 0 | 1 | 0 | 1 | 1 | +0 | 1 | ||
| 3 | | Schalke 04 | 1 | 0 | 1 | 0 | 1 | 1 | +0 | 1 | ||
| 4 | | Lokomotiv Moskva | 1 | 0 | 0 | 1 | 0 | 3 | -3 | 0 |
Galatasaray 3-0 Lokomotiv Moskva (Garry Rodrigues 9', Eren Derdiyok 67', Selcuk Inan 90+4')
Schalke 1-1 Porto (Breel Embolo 64'; Otavinho 75'-pen.)
Grup E
| # | Team | MP | W | D | L | F | A | D | P | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | | Ajax Amsterdam | 1 | 1 | 0 | 0 | 3 | 0 | +3 | 3 | ||
| 2 | | Bayern Muenchen | 1 | 1 | 0 | 0 | 2 | 0 | +2 | 3 | ||
| 3 | | Benfica | 1 | 0 | 0 | 1 | 0 | 2 | -2 | 0 | ||
| 4 | | AEK Athens | 1 | 0 | 0 | 1 | 0 | 3 | -3 | 0 |
Ajax 3-0 AEK Athens (Nicolas Tagliafico 46', 90', Donny van de Beek 77')
Benfica 0-2 Bayern Muenchen (Robert Lewandowski 10', Renato Sanches 54')
Grup F
| # | Team | MP | W | D | L | F | A | D | P | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | | Olympique Lyon | 1 | 1 | 0 | 0 | 2 | 1 | +1 | 3 | ||
| 2 | | Hoffenheim | 1 | 0 | 1 | 0 | 2 | 2 | +0 | 1 | ||
| 3 | | Shakhtar Donetsk | 1 | 0 | 1 | 0 | 2 | 2 | +0 | 1 | ||
| 4 | | Manchester City | 1 | 0 | 0 | 1 | 1 | 2 | -1 | 0 |
Shakhtar Donetsk 2-2 Hoffenheim (Ismaily 27', Maycon 81'; Florian Grillitsch 6', Havard Nordtveit 38')
Manchester City 1-2 Olympique Lyon (Bernardo Silva 67'; Maxwel Cornet 26', Nabil Fekir 43')
Grup G
| # | Team | MP | W | D | L | F | A | D | P | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | | Real Madrid | 1 | 1 | 0 | 0 | 3 | 0 | +3 | 3 | ||
| 2 | | CSKA Moskva | 1 | 0 | 1 | 0 | 2 | 2 | +0 | 1 | ||
| 3 | | Viktoria Plzeň | 1 | 0 | 1 | 0 | 2 | 2 | +0 | 1 | ||
| 4 | | AS Roma | 1 | 0 | 0 | 1 | 0 | 3 | -3 | 0 |
Real Madrid 3-0 AS Roma (Isco 45', Gareth Bale 58', Mariano 90+2')
Plzen 2-2 CSKA Moskva (Michael Krmencik 29', 41'; Fyodor Chalov 49', Nikola Vlasic 90+5'-pen.)
Grup H
| # | Team | MP | W | D | L | F | A | D | P | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | | Manchester United | 1 | 1 | 0 | 0 | 3 | 0 | +3 | 3 | ||
| 2 | | Juventus | 1 | 1 | 0 | 0 | 2 | 0 | +2 | 3 | ||
| 3 | Valencia | 1 | 0 | 0 | 1 | 0 | 2 | -2 | 0 | |||
| 4 | Young Boys | 1 | 0 | 0 | 1 | 0 | 3 | -3 | 0 |
Young Boys 0-3 Manchester United (Paul Pogba 35', 44'-pen., Anthony Martial 66')
Valencia 0-2 Juventus (Miralem Pjanic 45'-pen, 51'-pen.)