AEK Athens 1-0 LASK
• AEK Athens: Răzvan Marin 21'
Club Brugge 2-3 Aston Villa
• Club Brugge: Hugo Vetlesen 19', Nicolò Tresoldi 61' (pen)
• Aston Villa: John McGinn 11', Emiliano Buendía 22', Nicolas Jackson 43'
Borussia Dortmund 3-2 Villarreal
• Borussia Dortmund: Renato Veiga 53' (own goal), Serhou Guirassy 80', 85' (pen)
• Villarreal: Santiago Mouriño 66', Serhou Guirassy 90+2' (own goal)
Porto 0-2 Manchester City
• Manchester City: Erling Haaland 47', 90+1'
Lille 2-3 Real Betis
• Lille: Ayase Ueda 12', Alexsandro 37'
• Real Betis: Marc Bartra 34', 49', Troy Parrott 54'
Real Madrid 2-1 Inter Milan
• Real Madrid: Kylian Mbappé 14', Federico Valverde 23'
• Inter Milan: Carlos Augusto 76'
John McGinn scored the first goal of the 2026/27 Champions League league phase as Aston Villa defeated Club Brugge 3-2 in Belgium. Manchester City were also impressive away from home, with Erling Haaland scoring twice in their 2-0 victory over Porto.
Real Betis came from behind twice to defeat Lille 3-2, while Real Madrid began their European campaign with a 2-1 victory over Inter Milan. Dortmund also survived a late scare to beat Villarreal 3-2.