[1] The United States won their second title, after defeating Poland 2–0 in the final.

[4] Both cities hosted three groups of three countries in a round robin format.

[1] Perth and Sydney each hosted three groups of three countries in a round robin format and two quarterfinals.

The 2025 United Cup had a total prize money pool of US$11,170,000.

16 countries qualified based on the ATP/WTA rankings on 14 October 2024 and players' commitment to play at the event.