Manabu Koyama
One1
Japan 
Age 61      Belt BLUE
MALE BLUE MASTER 56
Points
5.00
Gold
1
Silver
1
Bronze
0
Sjjif World Accumulative Rank
Ranking
3
Rank Points Gold Silver Bronze
Sjjif World Rank 2023 5.0 1 1 0
hokkaido jiu jitsu championship 2023 male blue master 6 light feather SILVER
the 3rd reversal jiu jitsu cup 2023 in sapporo male blue master 6 light feather GOLD