| Preliminary Semifinal | Preliminary Final | 1st Qualifying Round | 2nd Qualifying Round | 3rd Qualifying Round | Playoff Round |
| Group Stage | Eighth Finals | Quarterfinals | Semifinals | Final |
Rodada:
Jogados
1ª Rodada
21/08/2018 - Terça
15:00
BATE Borisov
2
x
3
PSV Eindhoven
15:00
Benfica
1
x
1
PAOK
15:00
Red Star Belgrade
0
x
0
Red Bull Salzburg
22/08/2018 - Quarta
15:00
Ajax
3
x
1
Dynamo Kyiv
15:00
Fehérvár
1
x
2
AEK Athens
15:00
Young Boys
1
x
1
Dinamo Zagreb
2ª Rodada
28/08/2018 - Terça
15:00
AEK Athens
1
x
1
Fehérvár
15:00
Dinamo Zagreb
1
x
2
Young Boys
15:00
Dynamo Kyiv
0
x
0
Ajax
29/08/2018 - Quarta
15:00
PAOK
1
x
4
Benfica
15:00
PSV Eindhoven
3
x
0
BATE Borisov
15:00
Red Bull Salzburg
2
x
2
Red Star Belgrade