Kita Kanto Open Jiu Jitsu Championship 2025 (gi) Male Blue Master 46 Middle 5 Mins ~82.1kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Koyama Hideaki Hishojuku JPN Kikuchi Naoya Impacto Bjj Japan Fight 50 Mat 1 25 May 5:07AM BOL Fujimoto Erick Infight Japan JPN Kikuchi Naoya Impacto Bjj Japan Fight 53 Mat 1 25 May 5:40AM Koyama Hideaki Hishojuku Fujimoto Erick Infight Japan JPN BOL Fight 57 Mat 1 25 May 5:53AM Koyama Hideaki Hishojuku JPN