Tai Po claimed a memorable 2-1 home victory over Australian side Macarthur FC in their AFC Champions League 2 group stage opener on September 18, 2025. The result at Tai Po Sports Ground served as a major upset and announced the Hong Kong club's intentions in the competition. The home side started with great energy and were rewarded with an early goal, stunning the visitors. Macarthur grew into the game and equalized before halftime, shifting the momentum. The second half was a tense affair, with both teams creating chances. Tai Po found a winner with about fifteen minutes remaining, capitalizing on a defensive mistake to score what proved to be the decisive goal. Macarthur pushed hard for a second equalizer but the Tai Po defense held firm under pressure. The three points gave Tai Po a dream start to their campaign, topping the group after the first round of matches. The Tai Po manager described it as a proud night for the club, while the Macarthur coach admitted his team was below their best.