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