Arsenal laid down an emphatic marker for the new season as a commanding 3-0 victory over Manchester City secured the Community Shield at the Principality Stadium.
Riccardo Calafiori opened the scoring after just 23 seconds, netting the fastest goal in the competition's history after latching onto a precise pass from Myles Lewis-Skelly.
The Premier League champions controlled the contest from the opening whistle in the Welsh capital, unsettling their opponents with incisive passing and sharp movement.
City sought a response midway through the first half, but Phil Foden saw his close-range effort thwarted before Erling Haaland fired off target.
Arsenal doubled their advantage in the 28th minute through a flowing team move, culminating in Kai Havertz heading home from Christos Tzolis' delivery across the box.
Tzolis had nodded the ball across the face of goal following Martin Odegaard's cross, leaving Gianluigi Donnarumma stranded as Havertz applied the finishing touch.
City almost conceded again on the stroke of half-time, only for defender Josko Gvardiol to clear the ball off the goal line.
Any hopes of a second-half fightback for Enzo Maresca's side were swiftly extinguished just three minutes after the restart courtesy of a moment of individual brilliance.
Odegaard produced an exquisite feint to deceive Donnarumma inside the penalty area before slotting into an empty net to make it 3-0.
The Gunners comfortably managed the closing stages under the Cardiff roof, keeping City at bay to claim the season's traditional curtain-raiser in emphatic style.


