Celtic FC 2-3 FC Midtjylland *
| 28.07.2021 | FC Midtjylland | 2-1 AET | Celtic FC | |
| 20.07.2021 | Celtic FC | 1-1 | FC Midtjylland | |
*PSV Eindhoven 7-2 Galatasaray SK
| 28.07.2021 | Galatasaray SK | 1-2 | PSV Eindhoven | |
| 21.07.2021 | PSV Eindhoven | 5-1 | Galatasaray SK | |
Rapid Wien 2-3 Sparta Praha *
| 28.07.2021 | Sparta Praha | 2-0 | Rapid Wien | |
| 20.07.2021 | Rapid Wien | 2-1 | Sparta Praha | |