Niigata International Open No-gi Championship 2025 Male Grey Kid 3 Feather 3 Mins ~30.4kg 2 1 / 1 Division Max Weight Time Competitors Brackets JPN Watanabe Rihuu Impacto Bjj Japan USA Nagata Jigen Infight Japan Fight 1 Mat 1 29 Jun 1:03AM Watanabe Rihuu Impacto Bjj Japan JPN