[a][1][2] The United States became the first world champion in the category, defeating the Puerto Rican team 3–0 in the inaugural final.

[3] The presentation of the new tournament occurred on February 26, 2021, when the WBSC announced its Schedule for the Softball World Cups for the next nine years in the 2021-2029 competition period.

[5] The naming of Tokyo as the host of the WBSC U-15 Women's Softball World Cup, a youth-focused event, two years after the successful softball competition at the 2020 Summer Olympics, adds to the legacy of the Tokyo Games, which saw Japan claim the gold medal beating the United States in the final.

The United States prevailed 3–0 in the unprecedented showdown with Puerto Rico in the final of the inaugural U-15 Women's Softball World Cup at Ota Stadium in Tokyo.

The United States now holds all of the women's softball World Championship titles, namely the WBSC U-15, U-18 and Senior crowns.