Kosuke Arai
Grabaka Jiu-jitsu Club
Japan 
Age 34      Belt PURPLE
MALE PURPLE MASTER 1
Points
8.70
Gold
1
Silver
0
Bronze
1
Sjjif World Accumulative Rank
Ranking
38
Rank Points Gold Silver Bronze
Sjjif World Rank 2023 8.7 1 0 1
kanto open jiu jitsu championship 2022 male purple master 1 feather BRONZ
tokyo international jiu jitsu championship 2023 male purple master 1 light GOLD