| 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
07/25/2018 - Wednesday
14:45
Celtic
3
x
1
Rosenborg
2nd Round
08/01/2018 - Wednesday
14:45
Rosenborg
0
x
0
Celtic