Jiu Jitsu Koushien Summer 2024 Male Yellow Junior Teen Feather 4 Mins ~44.0kg 4 1 / 1 Division Max Weight Time Competitors Brackets Final JPN Kitamura Riki De La Riva Japan Yamana.. JPN Yokoyama Ryu Tri-force Ikebukuro Fight 18 Mat 4 15 Sep 5:54AM JPN Ikeda Tatsuhiko Shonan Brazilian Jiujitsu JPN Yuasa Rinku The Blackbelt Japan Fight 19 Mat 4 15 Sep 6:08AM Kitamura Riki De La Riva Japan Yamana.. Yuasa Rinku The Blackbelt Japan JPN JPN Fight 22 Mat 4 15 Sep 6:09AM Yuasa Rinku The Blackbelt Japan JPN