Schedule
| Competition | Date | Dead line | Home | Away | Group | Result | Points rule |
|---|---|---|---|---|---|---|---|
| CL | 19/09/23 17:45 | 19/09/23 17:44 | Young Boys Bern | RB Leipzig | Group G | 1-3 | 6 - 5 - 2 |
| CL | 19/09/23 17:45 | 19/09/23 17:44 | AC Milan | Newcastle United | Group F | 0-0 | 2 - 5 - 4 |
| CL | 19/09/23 20:00 | 19/09/23 19:59 | Schachtjor Donezk | FC Porto | Group H | 1-3 | 3 - 3 - 3 |
| CL | 19/09/23 20:00 | 19/09/23 19:59 | FC Barcelona | Royal Antwerp FC | Group H | 5-0 | 2 - 6 - 6 |
| CL | 19/09/23 20:00 | 19/09/23 19:59 | Manchester City | Red Star Belgrad | Group G | 3-1 | 2 - 6 - 6 |
| CL | 19/09/23 20:00 | 19/09/23 19:59 | Paris St. Germain | Borussia Dortmund | Group F | 2-0 | 3 - 4 - 3 |
| CL | 19/09/23 20:00 | 19/09/23 19:59 | Feyenoord Rotterdam | Celtic Glasgow | Group E | 2-0 | 2 - 4 - 6 |
| CL | 19/09/23 20:00 | 19/09/23 19:59 | Lazio Rom | Atletico Madrid | Group E | 1-1 | 4 - 3 - 4 |
| CL | 20/09/23 17:45 | 20/09/23 17:44 | Real Madrid | 1. FC Union Berlin | Group C | 1-0 | 2 - 6 - 6 |
| CL | 20/09/23 17:45 | 20/09/23 17:44 | Galatasaray Istanbul | FC Copenhagen | Group A | 2-2 | 2 - 5 - 6 |
| CL | 20/09/23 20:00 | 20/09/23 19:59 | Real Sociedad | Inter Milan | Group D | 1-1 | 6 - 4 - 2 |
| CL | 20/09/23 20:00 | 20/09/23 19:59 | Benfica Lisbon | FC Red Bull Salzburg | Group D | 0-2 | 2 - 6 - 6 |
| CL | 20/09/23 20:00 | 20/09/23 19:59 | Sporting Braga | SSC Napoli | Group C | 1-2 | 6 - 6 - 2 |
| CL | 20/09/23 20:00 | 20/09/23 19:59 | FC Sevilla | RC Lens | Group B | 1-1 | 2 - 6 - 6 |
| CL | 20/09/23 20:00 | 20/09/23 19:59 | Arsenal FC | PSV Eindhoven | Group B | 4-0 | 2 - 6 - 6 |
| CL | 20/09/23 20:00 | 20/09/23 19:59 | FC Bayern Munich | Manchester United | Group A | 4-3 | 2 - 6 - 6 |