Historically, The competition has undergone significant changes in both its structure and the teams involved over time. It began as the IRB Pacific 5 Nations with Fiji, Samoa, Tonga, Japan, and the Junior All Blacks, and over the years, teams like Australia A, the Māori All Blacks, Georgia, Canada, and the USA have joined at various points. Fiji currently holds the record for the most championships, having claimed the title six times, with their most recent win occurring in 2024. Samoa has achieved four titles, while Japan has won three.

In 2024, the tournament adopted a revised structure featuring two groups of three two pools teams each, leading into a knockout stage that includes semifinals and a final match. Pool A consisted of Fiji, Samoa, and Tonga, while Pool B included Canada, Japan, and the USA. The 2024 edition, branded as the Asahi Super Dry Pacific Nations Cup, ran from August 23 to September 21, concluding with Fiji defeating Japan 41-17 in the final held in Osaka, Japan. Samoa took third place after beating the USA 18-13.

The tournament’s schedule and locations for 2025 are yet to be fully confirmed.