On July 9, 1998 Ila Borders becomes the first female pitcher in history to start a minor league baseball game, as she hurls the first five innings for the Duluth-Superior Dukes in their 8 – 3 loss to the Sioux Falls Canaries in the Northern League, surrendering five hits and three runs, while registering two walks and two strikeouts,. Borders is tagged with the loss.

Source:

Baseball Reference July 9