| Preliminary Round | 1st Qualifying Round | 2nd Qualifying Round | 3rd Qualifying Round | Playoff Round | Group Stage |
| 16th Finals | 8th Finals | Quarterfinals | Semifinals | Final |
Rodada:
Jogados
1ª Rodada
26/07/2018 - Quinta
14:15
St. Gallen
2
x
1
Sarpsborg 08
2ª Rodada
02/08/2018 - Quinta
14:45
Sarpsborg 08
1
x
0
St. Gallen