| Date | Home | Away | Group | Result |
|---|---|---|---|---|
| 12/14/23 5:45 PM | Bayer 04 Leverkusen | Molde FK | Group H | 5-1 |
| 12/14/23 5:45 PM | Qarabag | BK Häcken | Group H | 2-1 |
| 12/14/23 5:45 PM | AS Roma | Sheriff Tiraspol | Group G | 3-0 |
| 12/14/23 5:45 PM | Slavia Prag | Servette FC Genève | Group G | 4-0 |
| 12/14/23 5:45 PM | Royale Union Saint-Gilloise | Liverpool FC | Group E | 2-1 |
| 12/14/23 5:45 PM | Linzer ASK | FC Toulouse | Group E | 1-2 |
| 12/14/23 5:45 PM | Panathinaikos Athens | Maccabi Haifa | Group F | 1-2 |
| 12/14/23 5:45 PM | Stade Rennes | FC Villarreal | Group F | 2-3 |
| 12/14/23 8:00 PM | West Ham United | SC Freiburg | Group A | 2-0 |
| 12/14/23 8:00 PM | Olympiakos Piräus | TSC Backa Topola | Group A | 5-2 |
| 12/14/23 8:00 PM | Brighton and Hove Albion | Olympique Marseille | Group B | 1-0 |
| 12/14/23 8:00 PM | Ajax Amsterdam | AEK Athens | Group B | 3-1 |
| 12/14/23 8:00 PM | Real Betis Sevilla | Glasgow Rangers | Group C | 2-3 |
| 12/14/23 8:00 PM | Aris Limassol | Sparta Prag | Group C | 1-3 |
| 12/14/23 8:00 PM | Sporting Lisbon | SK Sturm Graz | Group D | 3-0 |
| 12/14/23 8:00 PM | KS Rakow Czestochowa | Atalanta Bergamo | Group D | 0-4 |