TournamentNAGA Hawaii Kids (13 & Under) Grappling Championship - May 2025
[ yellow / youth ]CA
Akio James Yamanaka
Jits
3,257Prodigy
~1,843 Jits to S-Tier
+1800Last event: May 17, 2025
#4,293
Overall
Top 5%
Percentile
#704
yellow Belt
Record
12-286% Win Rate
12 Wins2 Losses
W
W
W
W
L
4-1 Last 5+4 Streak
Trophy Case
5 GoldNAGA 2 · IBJJF 2 · HFBJJ 1Premier
Fighter Intelligence
5 TournamentsMedals
7Medals
across 5 tournaments
Gold 5
Silver 2
Bronze 0
71% Gold Rate
Belt Avg 30%
What this means71% of tournament entries result in gold — 41 points above the belt average. Elite podium consistency — this fighter dominates their brackets.
Finishing Ability
57%
Subs
Submission 4
Points 3
Other 0
Belt Avg 49%
+8 pts vs belt avg
What this means57% of wins by submission — 8 points above the belt average. Solid finishing ability with room to grow.
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Advanced Analytics
AI CalculatedGrowth Trajectory
DVIDominant
Dominant — winning at an elite level
Growing faster than 91% of peers
Win Quality
Giant Killer
Clutch Score: +20.1%
7
Close Wins
1
Losses
8 matches analyzed
Format Split
GI SPECIALIST4 Gi4 NoGi
Gi
4W-0L100%
NoGi
3W-1L75%
Sub Rate
Gi 50%NoGi 50%
25% win rate delta — Gi stronger
Segment Analysis
Maleyellow BeltAges 14-155,468 FightersComparing to 5,468 yellow belt fighters
Win Rate
88%avg 52%
AVG
+36 pts vs avg
Sub Rate
57%avg 49%
AVG
+8 pts vs avg
Gold Rate
80%avg 30%
AVG
+50 pts vs avg
What This Means
Ranked #704 of 5,468 yellow belts. 88% win rate across 8 matches.
Tale of the Tape
Fighter History
8 matches
| Result | Fighter | JITS | Video |
|---|---|---|---|
| W | 1243+390 | ||
| W | 1683+470 | ||
| W | 1219+410 | ||
| W | 1243+530 | ||
| L | 3349-190 | ||
| W | 1040+960 | ||
| W | 1243+580 | ||
| W | 2233+1630 |
From Alameda Jiu-Jitsu
See all →Wailani K. M. Moraes
3,979
16-2 · 13% SUB
Asher Joseph Moore
3,349
40-32 · 40% SUB
Mila Liana Aki Fujino
3,318
8-4 · 63% SUB
Lily Ka’uaohā’ao Kekaimalinoikealoha Sales
2,534
4-1 · 100% SUB
Keizten Wade K. Paradis-wilson
2,521
7-4 · 29% SUB
Kamaluhia K. I. Angay
2,406
3-4 · 33% SUB
Jaya Michiko Manuel
2,336
3-5 · 33% SUB
Madyx Sotero La' Akea Sampaga
2,295
6-6 · 17% SUB
Rival Fighters
Scouting Report
Data Sources
Matches8
Placements7
Tournaments5
Medals🥇 5🥈 2
Sources
NAGAHFBJJIBJJF
First MatchApr 2025
Last MatchMay 2025
Stats verified from completed tournaments only, may not represent a fighter's true record.
FloGrappling Videos
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Similar Fighters
About
Akio James Yamanaka is a yellow belt competitor from Alameda Jiu-Jitsu in CA with a 7-1 competition record and 5 gold, 2 silver medals. Known for a 57% submission rate across 8 matches. Competing since 2025.
Frequently Asked Questions
Akio James Yamanaka has a 7-1 competition record across 8 matches in 5 tournaments.
Akio James Yamanaka is ranked #4293 overall and #704 among yellow belt competitors on Jits.gg.
Akio James Yamanaka has earned 5 gold, 2 silver medals across 5 tournaments.
Akio James Yamanaka trains at Alameda Jiu-Jitsu and competes as a yellow belt.
Akio James Yamanaka has a 57% submission rate and a 88% win rate across 8 matches.
Akio James Yamanaka is ranked #704 among yellow belt competitors on Jits.gg.
Akio James Yamanaka's current Jits rating is 3257. Use the Rating Simulator on Akio James Yamanaka's profile to see how a win or loss against any opponent would affect their rating. Factors include opponent strength, match method (submission vs points), and margin of victory.