Yuichiro Koyama
Bonsai Jiu-jitsu Japan
Japan 
Age 52      Belt Blue
Male Blue Master 4
Points
1.10
Gold
0
Silver
0
Bronze
1
Asjjf Japan Jiu Jitsu Ranking 2020 ~ 2021
Ranking
16

Event Points

Event Medal
Tokyo Winter Jiu Jitsu Championship 2021 BRONZ