| Fecha | Local | Visitante | Resultado |
|---|---|---|---|
| 8/09/26 18:45 | AEK Athenas | Linzer ASK | 1:0 |
| 8/09/26 18:45 | Club Brujas | Aston Villa | 2:3 |
| 8/09/26 21:00 | Real Madrid C. F. | Inter de Milán | 2:1 |
| 8/09/26 21:00 | FC Porto | Manchester City | 0:2 |
| 8/09/26 21:00 | Borussia Dortmund | Villarreal C. F. | 3:2 |
| 8/09/26 21:00 | OSC Lille | Real Betis Balompié | 2:3 |
| 9/09/26 18:45 | F. C. Barcelona | Feyenoord Rotterdam | 5:1 |
| 9/09/26 18:45 | VfB Stuttgart | Viking Stavanger | 3:1 |
| 9/09/26 21:00 | Paris St. Germain | SK Slovan Bratislava | 6:1 |
| 9/09/26 21:00 | Liverpool FC | Club Atlético de Madrid | 2:1 |
| 9/09/26 21:00 | Nápoles | Arsenal FC | 0:1 |
| 9/09/26 21:00 | Sporting de Portugal | Galatasaray Estanbul | 3:1 |
| 10/09/26 18:45 | Fenerbahçe SK | AS Roma | 1:1 |
| 10/09/26 18:45 | PSV Eindhoven | Shaktar Donetsk | 1:1 |
| 10/09/26 21:00 | FC Bayern de Múnich | FK Bodö/Glimt | 5:0 |
| 10/09/26 21:00 | Como Calcio | RB Leipzig | 4:1 |
| 10/09/26 21:00 | Manchester United | Sabah FK | 4:0 |
| 10/09/26 21:00 | Slavia Praga | RC Lens | 2:3 |