WBO Asia Pacific super-flyweight champion Ryusei Kawaura (Misako Gym) will make the fourth defence of his title on Tuesday 13 October at Korakuen Hall, Tokyo, headlining the “Diamond Glove” event promoted by Misako Promotions. Kawaura will face 12th-ranked challenger Ryutaro Nakagaki (Ohashi Gym).

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The southpaw champion Kawaura (15-2, 9 KOs) claimed the title in August 2024 with an 11th-round TKO victory over Tetsuro Ohashi (Shinsei Gym). Since then, he has successfully turned back challenges from Yoshihiro Tai (RST Gym), Jo Shiraishi (Shisei Gym), and Han Ryong-ho (Mutsushima Gym). Kawaura is currently ranked number two by the WBO.
Fellow southpaw Nakagaki (7-2-2, 4 KOs) will be making his first challenge for the WBO Asia Pacific title. After turning professional from the amateur ranks, his early career was far from smooth sailing, including two unsuccessful attempts at winning the Japanese Youth title. However, he is currently on a four-fight winning streak, most recently capturing the WBC International Silver title in Thailand last December.
In the eight-round super-flyweight co-feature, Yamato Moriguchi (Misako Gym) will face Isao Aoyama (Celes Gym). The event will be streamed live on Misako Gym’s official YouTube channel, “MISAKO BOXING TV”.


