Katsuya Onizuka
World title reigns and bouts
Timeline of world title events
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Katsuya Onizuka beats Thanomsak Sithbaobay via unanimous decision 12/12
Katsuya Onizuka becomes the WBA Super Flyweight world champion
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Katsuya Onizuka beats Thanomsak Sithbaobay via unanimous decision 12/12
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