Niigata International Open Jiu Jitsu Championship 2025 Male White Adult 18 Feather 5 Mins ~70.0kg 5 1 / 1 Division Max Weight Time Competitors Brackets Final Semifinal JPN Ishida Kyohei Paraestra Joetsu JPN Takahashi Ryosuke Philoktetes Fight 23 Mat 1 29 Jun 2:22AM Nagai Teturou Renatus Bjj JPN JPN Yamagiwa Hayato Dream Fantasy 7 Niigata Kobayashi Ryubi Muse Jiu Jitsu Academy JPN Takahashi Ryosuke Philoktetes Yamagiwa Hayato Dream Fantasy 7 Niigata JPN JPN Fight 28 Mat 1 29 Jun 3:34AM Nagai Teturou Renatus Bjj Kobayashi Ryubi Muse Jiu Jitsu Academy JPN JPN Fight 27 Mat 1 29 Jun 3:28AM Yamagiwa Hayato Dream Fantasy 7 Niigata Nagai Teturou Renatus Bjj JPN JPN Fight 32 Mat 1 29 Jun 3:47AM Yamagiwa Hayato Dream Fantasy 7 Niigata JPN