| 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
20/09/2018 - Quinta
12:00
Arsenal
4
x
2
Vorskla Poltava
12:00
Sporting CP
2
x
0
Qarabağ
2ª Rodada
04/10/2018 - Quinta
09:55
Qarabağ
0
x
3
Arsenal
09:55
Vorskla Poltava
1
x
2
Sporting CP
3ª Rodada
25/10/2018 - Quinta
09:55
Qarabağ
0
x
1
Vorskla Poltava
09:55
Sporting CP
0
x
1
Arsenal
4ª Rodada
08/11/2018 - Quinta
12:00
Arsenal
0
x
0
Sporting CP
12:00
Vorskla Poltava
0
x
1
Qarabağ
5ª Rodada
29/11/2018 - Quinta
09:55
Qarabağ
1
x
6
Sporting CP
09:55
Vorskla Poltava
0
x
3
Arsenal
6ª Rodada
13/12/2018 - Quinta
12:00
Arsenal
1
x
0
Qarabağ
12:00
Sporting CP
3
x
0
Vorskla Poltava