| 1st qualifying round | 2nd qualifying round | 3rd qualifying round | Play-offs | Group Stage | 16th Finals |
| 8th Finals | Quarterfinals | Semifinals | Final |
Rodada:
Jogados
1ª Rodada
14/09/2017 - Quinta
13:00
Austria Wien
1
x
5
Milan
13:00
Rijeka
1
x
2
AEK Athens
2ª Rodada
28/09/2017 - Quinta
15:05
AEK Athens
2
x
2
Austria Wien
15:05
Milan
3
x
2
Rijeka
3ª Rodada
19/10/2017 - Quinta
15:05
Austria Wien
1
x
3
Rijeka
15:05
Milan
0
x
0
AEK Athens
4ª Rodada
02/11/2017 - Quinta
14:00
AEK Athens
0
x
0
Milan
14:00
Rijeka
1
x
4
Austria Wien
5ª Rodada
23/11/2017 - Quinta
15:05
AEK Athens
2
x
2
Rijeka
15:05
Milan
5
x
1
Austria Wien
6ª Rodada
07/12/2017 - Quinta
13:00
Austria Wien
0
x
0
AEK Athens
13:00
Rijeka
2
x
0
Milan