| Date | Home | Away | Group | Result |
|---|---|---|---|---|
| 11/7/23 11:45 AM | Schachtjor Donezk | FC Barcelona | Group H | 1-0 |
| 11/7/23 11:45 AM | Borussia Dortmund | Newcastle United | Group F | 2-0 |
| 11/7/23 2:00 PM | FC Porto | Royal Antwerp FC | Group H | 2-0 |
| 11/7/23 2:00 PM | Manchester City | Young Boys Bern | Group G | 3-0 |
| 11/7/23 2:00 PM | Red Star Belgrad | RB Leipzig | Group G | 1-2 |
| 11/7/23 2:00 PM | AC Milan | Paris St. Germain | Group F | 2-1 |
| 11/7/23 2:00 PM | Lazio Rom | Feyenoord Rotterdam | Group E | 1-0 |
| 11/7/23 2:00 PM | Atletico Madrid | Celtic Glasgow | Group E | 6-0 |
| 11/8/23 11:45 AM | Real Sociedad | Benfica Lisbon | Group D | 3-1 |
| 11/8/23 11:45 AM | SSC Napoli | 1. FC Union Berlin | Group C | 1-1 |
| 11/8/23 2:00 PM | FC Red Bull Salzburg | Inter Milan | Group D | 0-1 |
| 11/8/23 2:00 PM | Real Madrid | Sporting Braga | Group C | 3-0 |
| 11/8/23 2:00 PM | PSV Eindhoven | RC Lens | Group B | 1-0 |
| 11/8/23 2:00 PM | Arsenal FC | FC Sevilla | Group B | 2-0 |
| 11/8/23 2:00 PM | FC Bayern Munich | Galatasaray Istanbul | Group A | 2-1 |
| 11/8/23 2:00 PM | FC Copenhagen | Manchester United | Group A | 4-3 |