Niigata International Open Jiu Jitsu Championship 2025 Male Blue Adult 18 Light Feather 6 Mins ~64.0kg 7 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Igoshi Keiji Fightinglab Niigata JPN Shibusawa Toru Mtk Fight Japan Fight 10 Mat 1 29 Jun 1:40AM Yamazaki Kazutake Renatus Bjj Sato Hinato Blue Max JPN JPN Fight 12 Mat 1 29 Jun 1:49AM JPN Sugai Kota Uonuma　Jiu Jitsu　Club JPN Ohira Yuki Paraestra Joetsu Fight 11 Mat 1 29 Jun 1:42AM Watanabe Shinsuke Fightinglab Niigata JPN Igoshi Keiji Fightinglab Niigata Ohira Yuki Paraestra Joetsu JPN JPN Fight 15 Mat 1 29 Jun 1:57AM Sato Hinato Blue Max Watanabe Shinsuke Fightinglab Niigata JPN JPN Fight 16 Mat 1 29 Jun 2:00AM Igoshi Keiji Fightinglab Niigata Sato Hinato Blue Max JPN JPN Fight 19 Mat 1 29 Jun 2:14AM Sato Hinato Blue Max JPN