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Group A
| 20/09/2023 | 17:45 | Galatasaray | – | FC København | 2:2 (0:1) | | | 20:00 | Bayern München | – | Manchester United | 4:3 (2:0) | | | 03/10/2023 | 20:00 | FC København | – | Bayern München | -:- | | | 20:00 | Manchester United | – | Galatasaray | -:- | | | 24/10/2023 | 17:45 | Galatasaray | – | Bayern München | -:- | | | 20:00 | Manchester United | – | FC København | -:- | | | 08/11/2023 | 20:00 | Bayern München | – | Galatasaray | -:- | | | 20:00 | FC København | – | Manchester United | -:- | | | 29/11/2023 | 17:45 | Galatasaray | – | Manchester United | -:- | | | 20:00 | Bayern München | – | FC København | -:- | | | 12/12/2023 | 20:00 | Manchester United | – | Bayern München | -:- | | | 20:00 | FC København | – | Galatasaray | -:- | |
| | | | | | |
| # | Team | M. | W | D | L | goals | Dif. | Pt. |
|---|
| 1 |  | Bayern München | 1 | 1 | 0 | 0 | 4:3 | 1 | 3 |
| 2 |  | FC København | 1 | 0 | 1 | 0 | 2:2 | 0 | 1 |
|  | Galatasaray | 1 | 0 | 1 | 0 | 2:2 | 0 | 1 |
| 4 |  | Manchester United | 1 | 0 | 0 | 1 | 3:4 | -1 | 0 |