| Preliminary Round | 1st Qualifying Round | 2nd Qualifying Round | 3rd Qualifying Round | Playoff Round | Group Stage |
| 16th Finals | 8th Finals | Quarterfinals | Semifinals | Final |
Round:
Played
1st Round
08/23/2018 - Thursday
13:00
Sūduva
1
x
1
Celtic
2nd Round
08/30/2018 - Thursday
15:00
Celtic
3
x
0
Sūduva