Rookies: Oita Baseball Clinic Drafts High School Path

Middle school baseball players finishing their club seasons in rural Japanese regions often face a stark equipment divide before entering high school.

Unlike urban peers or veterans of hard-ball leagues like Boys and Little Senior, standard junior high school competitors transition from soft rubber balls straight to demanding hard-ball divisions. To ease this daunting jump, a specialized youth baseball clinic known as Rookies launched in Kitsuki, Oita Prefecture, baseballking.jp reported.

Kitsuki City sits nestled between mountains and the sea with a population of approximately 25,000 residents. The Rookies program operated with 17 participants in its initial run last year and has drawn seven junior high school students so far, according to baseballking.jp.

Yosuke Hiraishi, a former manager for the Tohoku Rakuten Golden Eagles and brother to the program's founder, serves as an advisor.

Practice sessions run from August through December on Saturdays between 1:00 p.m. and 5:00 p.m. (UTC+9), pausing entirely from January to March so participants can concentrate on high school entrance exams, baseballking.jp reported.

Koichiro Hiraishi outlined his instructional philosophy regarding the participants, baseballking.jp reported. “It is the image of drawing a ‘rough draft’ of high school baseball in pencil,” he said, according to baseballking.jp.

“Even if the rough draft of high school baseball is made to a certain extent at Rookies, we do not go as far as ‘coloring’. That is something to be done by the coaches of each high school. I keep that in mind while instructing.”

The program avoids demanding immediate technical mastery, focusing instead on easing the physical and psychological adjustment to hard balls. Tuition sits at 4,000 yen per month, with instructors purchasing practice gear out of pocket, baseballking.jp reported.

Coaching staff dedicate roughly 45 minutes of each session to stretching and core training to reduce injury risks and build physical resilience, baseballking.jp reported. Catch-play emphasizes accurate throws across standard base distances with unfamiliar hard balls rather than long-distance throwing.

All athletes take infield grounder practice regardless of their assigned positions to broaden their tactical versatility.

The program welcomes teenagers who want a low-pressure environment to test out hard-ball baseball before making permanent high school extracurricular choices, baseballking.jp reported. Some participants even return after playing other sports in junior high.

“I don’t want to weed children out like that at this practice session,” Koichiro Hiraishi said, referencing harsh competitive pressure he witnessed elsewhere, according to baseballking.jp. “If they experience hard-ball baseball at Rookies and think, ‘Baseball is no good after all,’ and choose a different sport in high school, I think that is fine. I hope they come with that kind of casual feeling.”

Editor-in-Chief

Editor-in-Chief

Daniel Richardson is the Editor-in-Chief of Archysport, where he leads the editorial team and oversees all published content across nine sport verticals. With over 15 years in sports journalism, Daniel has reported from the FIFA World Cup, the Olympic Games, NFL Super Bowls, NBA Finals, and Grand Slam tennis tournaments. He previously served as Senior Sports Editor at Reuters and holds a Master's degree in Journalism from Columbia University. Recognized by the Sports Journalists' Association for excellence in reporting, Daniel is a member of the International Sports Press Association (AIPS). His editorial philosophy centers on accuracy, depth, and fair coverage — ensuring every story published on Archysport meets the highest standards of sports journalism.

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