How a video-game-loving child became a dominant force in professional Japanese boxing
In short: Junto Nakatani began his path to the ring as a third-grader sent to karate school to curb his video game habit. He eventually transitioned to boxing, where he ascended through three weight classes, secured multiple world championships, and maintained an undefeated professional record until his high-profile 2026 super-bantamweight title challenge.
Born in 1998, Nakatani turned professional at age 17 after a brief amateur career that included winning the under-15 National Championships. His professional debut in April 2015 set the tone for a career defined by technical precision and power. By 2020, he had captured the WBO flyweight title, a belt he defended successfully against Ángel Acosta and Ryota Yamauchi before moving up in weight. His rise was marked by consistent accolades, including the 2023 Ring magazine Knockout of the Year for his dramatic twelfth-round finish of Andrew Moloney.
Nakatani’s trajectory through the bantamweight division was particularly notable for its speed and dominance. After winning the WBC bantamweight title in 2024, he unified the division by defeating IBF champion Ryosuke Nishida in June 2025. His ability to finish fights—often via technical knockout—earned him multiple Japan Boxing Commission awards for technique and victory. However, his move to the super-bantamweight division brought his first professional setback.
In May 2026, Nakatani faced the undisputed champion Naoya Inoue at the Tokyo Dome in a bout described by media as the biggest in Japanese boxing history. Nakatani lost by unanimous decision, a fight during which he suffered a fractured left eye socket. Despite this first professional defeat, his career remains a significant chapter in modern boxing, characterized by his transition from a youth tournament MVP to a multi-weight world champion who consistently sought the sport's most challenging matchups.
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