Niigata International Open Jiu Jitsu Championship 2025 Male Purple Master 51 Light Feather 5 Mins ~64.0kg 3 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Kouno　 Michio Philoktetes JPN Kato Norio Impacto Bjj Japan Fight 22 Mat 2 29 Jun 3:16AM JPN Kojima Masaki Paraestra Joetsu JPN Kouno　 Michio Philoktetes Fight 25 Mat 2 29 Jun 3:35AM Kato Norio Impacto Bjj Japan Kouno　 Michio Philoktetes JPN JPN Fight 28 Mat 2 29 Jun 3:53AM Kato Norio Impacto Bjj Japan JPN