The league is planned to commence play in 2026, with six teams in the northeastern United States competing.

[13] Competition in the WPBL will consist of a regular season of around forty games, played from May to August,[6][13] followed by a playoff tournament that will determine the league's champion.

It currently consists of Laura Gentile, Kate Childs Graham, Leslie Heaphy, Nona Lee, Digit Murphy, Ayami Sato, and Kat Williams.

[12][15] The WPBL aims to commence play with six independently owned clubs, all based in the northeastern United States.

[7] College and minor league ballparks with a capacity of 2,500–5,000 are being considered for the clubs' home fields.