Yuki Kosaka
Grabaka Jiu-jitsu Club
Japan 
Age 10      Belt WHITE
FEMALE WHITE KINDERGARTEN
Points
0.75
Gold
0
Silver
1
Bronze
0
Sjjif World Accumulative Rank
Ranking
91
Rank Points Gold Silver Bronze
Sjjif World Rank 2020~2021 0.75 0 1 0
sjjjf 4th all japan jiu jitsu kids championship 2021 female white kindergarten feather SILVER