| 1st qualifying round | 2nd qualifying round | 3rd qualifying round | Play-offs | Group Stage | 16th Finals |
| 8th Finals | Quarterfinals | Semifinals | Final |
Round:
Played
1st Round
04/26/2018 - Thursday
15:05
Arsenal
1
x
1
Atlético de Madrid
15:05
Olympique de Marseille
2
x
0
Red Bull Salzburg
2nd Round
05/03/2018 - Thursday
15:05
Atlético de Madrid
1
x
0
Arsenal
15:05
Red Bull Salzburg
2
AET
1
Olympique de Marseille