Niigata International Open Jiu Jitsu Championship 2025 Male White Adult 18 Middle 5 Mins ~82.1kg 6 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Sakata Takumi Newaza World Nora Jiu-j.. RUS Kalganov Alexander Braves Jiu-jitsu Fight 24 Mat 1 29 Jun 2:28AM Sanada Nariaki Philoktetes Shigeta Kouichi Newaza World Nora Jiu-j.. JPN JPN Fight 25 Mat 1 29 Jun 2:30AM JPN Kiyoduka Reo Uonuma　Jiu Jitsu　Club Nitami Keisuke Renatus Bjj JPN Kalganov Alexander Braves Jiu-jitsu Kiyoduka Reo Uonuma　Jiu Jitsu　Club RUS JPN Fight 29 Mat 1 29 Jun 3:36AM Shigeta Kouichi Newaza World Nora Jiu-j.. Nitami Keisuke Renatus Bjj JPN JPN Fight 30 Mat 1 29 Jun 12:39PM Kalganov Alexander Braves Jiu-jitsu Shigeta Kouichi Newaza World Nora Jiu-j.. RUS JPN Fight 33 Mat 1 29 Jun 3:50AM Shigeta Kouichi Newaza World Nora Jiu-j.. JPN