| Preliminary Semifinal | Preliminary Final | 1st Qualifying Round | 2nd Qualifying Round | 3rd Qualifying Round | Playoff Round |
| Group Stage | Eighth Finals | Quarterfinals | Semifinals | Final |
Round:
Played
1st Round
08/08/2018 - Wednesday
14:45
Celtic
1
x
1
AEK Athens
2nd Round
08/14/2018 - Tuesday
14:00
AEK Athens
2
x
1
Celtic