Adelaide United suffered a 3-0 loss to Auckland in the A-League semifinals, with Auckland FC advancing 4-1 on aggregate. The match was played at Hindmarsh Stadium on May 15, 2026, with Auckland FC taking the lead through Jake Girdwood-Reich's goal in the 44th minute. Sam Cosgrove scored a penalty in the 58th minute, and Logan Rogerson sealed the win with a goal in the 86th minute. Adelaide United's Ethan Alagich was given a yellow card in the 94th minute. Auckland FC's Luka Vicelich and Van Fitzharris were substituted in the 90th minute. The match saw Auckland FC dominate possession, with 61.7% of the ball, and taking 15 shots on goal compared to Adelaide United's 1. Auckland FC also had 6 corner kicks to Adelaide United's 4. The attendance at Hindmarsh Stadium was 14,716. Adelaide United's next match will be crucial in determining their season's outcome.