Kosuke Oishi
Trydent Gym
Japan 
Age 41      Belt BROWN
MALE BROWN MASTER 3
Points
3.00
Gold
0
Silver
1
Bronze
0
Sjjif World Accumulative Rank
Ranking
23
Rank Points Gold Silver Bronze
Sjjif World Rank 2025 3.0 0 1 0
kanto open jiu jitsu championship 2024 male brown master 3 light feather SILVER