Olympiakos v Barcelona, 31 October 2017
| Score | 0-0 |
| Referee | Anthony Taylor |
| Competition | UEFA Champions League Group D |
| Venue | Stadio Georgios Karaiskaki, Piraeus |
| Attendance | 31,600 |
Kick-off: 9.45pm local (7.45pm GMT)
0 Olympiakos
Manager: Takis Lemonis
0 Barcelona
Manager: Ernesto Valverde