Kosei Tanaka

Can someone win world boxing titles in three different weight classes? Kosei Tanaka did — and he did it with speed, smarts, and courage. He surprised fans by moving up through weights, taking on tougher opponents, and coming out on top time after time. It's an exciting story about growing and daring to try bigger challenges.

Kosei Tanaka is a Japanese professional boxer who rose to fame in the 2010s and 2020s. He turned professional as a young man and quickly climbed the ranks. The single most important thing about him is that he became a world champion in three different weight divisions — a rare and impressive achievement.

Tanaka won world championships at minimumweight (strawweight), light-flyweight, and flyweight, capturing major belts from the World Boxing Organization (WBO). To win those belts he used very fast hands, clever footwork, and smart tactics. Moving up in weight means facing stronger opponents, so each title showed his skill and heart.

His victories inspired many young boxers and fans in Japan and beyond. Kosei's story teaches that steady practice, bravery, and taking one step at a time can lead to big results. Even if you start small, you can climb higher by working hard — what big challenge will you try next?