| 3rd Qualifying Round | Play-offs | Group Stage | Knockout round | Round of 16 | Quarterfinals |
| Semifinals | Final |
Rodada:
Jogados
1ª Rodada
19/08/2021 - Quinta
15:00
Olympiacos
3
x
0
Slovan Bratislava
2ª Rodada
26/08/2021 - Quinta
14:45
Slovan Bratislava
2
x
2
Olympiacos