Ikkyuu-san is a tV series anime that premiered in spring 1978.

About the production: there are 26 episodes of about 24 minutes and its current status is "finished".

Its main genres are action and sports, with themes such as School and Baseball.

On AniList, Ikkyuu-san has an average score of 59%, an average score, and appears on 421 users' lists.

High-school student Ikkyuu knows nothing about baseball, but his talents are recognized by the manager of the baseball club, and he takes up this enchanting sport. While his ignorance of the game leads him to make many mistakes, Ikkyuu - who is in fact a descendant of ninja - displays his superhuman abilities and leads the team to the High School Baseball Championships. (Source: Nippon Animation)

Official synopsis from AniList.