The Women's College World Series begins on Thursday in Oklahoma City. Here's what to know on the tournament's double elimination format and more.

Though the bracket ... Double-elimination means that a team must lose twice to be eliminated from the tournament. The 64-team field is split into 16 groups of four teams seeded Nos. 1-4.

The tournament started in 1947 and featured just eight teams, divided into two four-team single-elimination brackets. In 1948, the first round was changed to a double ... the No. 4 team, while ...

In each region, No. 1 faces No. 4, and No. 2 faces No. 3 on the ... featuring two four-team double-elimination brackets with the winner of each bracket advancing to the best-of-three CWS Finals.

Bonneville, Twin Falls, Vallivue and Skyview will battle in a new four-team, double-elimination tournament ... matchups and updated tournament bracket. [Related: State baseball scores, brackets ...

In past years, only eight teams reached the championship bracket. The tournament functioned as a two, four-team double-elimination bracket where the winners of each bracket played a winner-take ...