slow-pitch softball

...In addition, female catchers are required to wear protective gear. There is also a rule called "slow-pitch softball" that prohibits fastballs and makes it easier to hit and score, and the game is played with 10 players, with an extra infielder between first and second base (Figure). [Sugatani Hitoshi]...

*Some of the terminology that refers to "slow-pitch softball" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…また女子の捕手はプロテクターの着用を義務づけられている。なお，速球の投球を禁じて打ちやすく得点しやすくした〈スロー･ピッチ･ソフトボールslow‐pitch softball〉というルールもあり，一，二塁間に内野手を追加した10人制で行う(図)。【菅谷 斉】。…

※「slow-pitch softball」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報