Shinya Koiwai
Tribe Tokyo M.m.a
Japan 
Age 43      Belt WHITE
MALE WHITE MASTER 3
Points
4.60
Gold
1
Silver
1
Bronze
0
Sjjif World Accumulative Rank
Ranking
53
Rank Points Gold Silver Bronze
Sjjif World Rank 2023 3.85 1 0 0
tokyo international jiu jitsu championship 2023 male white master 3 rooster GOLD
Sjjif World Rank 2020~2021 0.75 0 1 0
asjjf tokyo spring international jiu jitsu championship 2021 (東京春季柔術大会 2021) male white master 3 rooster SILVER