Tokyo Open Jiu Jitsu Championship 2023 Male Grey Pre Teen Middle 4 Mins ~45.4kg 5 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Kasahara Ko Pato Studio JPN Kimura Towa Jump Fight Club Fight 28 Mat 3 9 Sep 11:03AM Ojima Yuuki Bushokan Dojo JPN USA Castaneda Kai Mybjj Team Japan Yanagiya Taketomo Igloo JPN Castaneda Kai Mybjj Team Japan USA Fight 34 Mat 3 9 Sep 11:33AM Ojima Yuuki Bushokan Dojo Yanagiya Taketomo Igloo JPN JPN Fight 35 Mat 3 9 Sep 11:38AM Fight 39 Mat 3 9 Sep 11:58AM