Niigata International Open No-gi Championship 2025

Male Blue Adult 18 Light Feather
1st	Sato Hinato	Blue Max	JPN
2nd	Hara Seia	Brave Heart	JPN
Male Blue Adult 18 Super Heavy
1st	Kazamaki Hikaru	Arungym	JPN
Male Blue Adult 18 Open Weight
1st	Ventura Gustavo	Pacific Grappler Dojo	USA
2nd	Kazamaki Hikaru	Arungym	JPN
3rd	Hara Seia	Brave Heart	JPN
Male Purple Adult 18 Ultra Heavy
1st	Mendonça Luiz Miguel	Infight Japan	BRA
2nd	Morimoto Naoya	Oga Dojo Chiyoda	JPN
3rd	Nakagawa Yoshiharu	Other	JPN
Male Purple Adult 18 Open Weight
1st	Mendonça Luiz Miguel	Infight Japan	BRA
2nd	Nakagawa Yoshiharu	Other	JPN
3rd	Morimoto Naoya	Oga Dojo Chiyoda	JPN
Male Brown Master 30 Medium Heavy
1st	Gotou Dai	Infight Japan	JPN
Male Brown Master 30 Open Weight
1st	Gotou Dai	Infight Japan	JPN