TournamentHawaii Triple Crown - Hilo Summer Open 2025 - Sep 2025
[ green / juvenile ]IN
Mason William K. Nonaka
Jits
1,886Advanced
~14 Jits to Elite
-160Last event: Sep 6, 2025
#19,062
Overall
Top 21%
Percentile
#107
green Belt
Record
4-544% Win Rate
4 Wins5 Losses
L
W
L
W
W
3-2 Last 5
Trophy Case
1 GoldHFBJJ 1Fighter Intelligence
5 TournamentsMedals
5Medals
across 5 tournaments
Gold 1
Silver 2
Bronze 2
20% Gold Rate
Belt Avg 37%
What this means20% of tournament entries result in gold — 17 points below the belt average. Still building a medal collection at this level.
Finishing Ability
67%
Subs
Submission 2
Points 1
Other 0
Belt Avg 33%
+34 pts vs belt avg
What this means67% of wins by submission — 34 points above the belt average. This fighter has elite finishing ability for their rank.
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Advanced Analytics
AI CalculatedGrowth Trajectory
DVIBuilding Momentum
Winning more than losing — building momentum
Growing faster than 49% of peers
Win Quality
Consistent
Clutch Score: +4.4%
3
Close Wins
2
Losses
5 matches analyzed
Format Split
NOGI SPECIALIST0 Gi5 NoGi
Gi
0W-0L—%
NoGi
3W-2L60%
Sub Rate
Gi 0%NoGi 40%
60% win rate delta — NoGi stronger
Segment Analysis
Malegreen Belt309 FightersComparing to 309 green belt fighters
Win Rate
60%avg 44%
AVG
+16 pts vs avg
Sub Rate
67%avg 33%
AVG
+33 pts vs avg
Gold Rate
20%avg 37%
AVG
-17 pts vs avg
What This Means
Win rate tracks at 60% for green belt. 5 matches and counting.
Tale of the Tape
Fighter History
5 matches
| Result | Method | Fighter | JITS | Academy | Bracket | Video | Tournament | Format | Date |
|---|---|---|---|---|---|---|---|---|---|
| L | PTS | 2232-370 | Team Forsa | - Advanced · Teen 13-15 Yrs · Super Heavy, 13-15, 159.00+ Lbs | NoGi | Sep 6, 2025 | |||
| W | SUB | 1450+480 | Nova Uniao Hawaii | - Advanced · Teen 13-15 Yrs · Super Heavy, 13-15, 159.00+ Lbs | NoGi | Sep 6, 2025 | |||
| L | PTS | 2232-270 | Team Forsa | - Advanced · Teen 13-15 Yrs · Super Heavy, 13-15, 159.00+ Lbs | NoGi | Sep 6, 2025 | |||
| W | DEC | 1247+680 | The Code BJJ | - Advanced · Teen 13-15 Yrs · Heavy, 13-15, 147.00-158.00 Lbs | NoGi | Apr 5, 2025 | |||
| W | SUB | 1247+1290 | The Code BJJ | - Advanced · Teen 13-15 Yrs · Heavy, 13-15, 147.00-158.00 Lbs | NoGi | Apr 5, 2025 |
From Carlos Catania BJJ Association
See all →Scouting Report
Data Sources
Matches5
Placements5
Tournaments5
Medals🥇 1🥈 2🥉 2
Sources
HFBJJIBJJF
First MatchApr 2025
Last MatchSep 2025
Stats verified from completed tournaments only, may not represent a fighter's true record.
FloGrappling Videos
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Similar Fighters
About
Mason William K. Nonaka is a green belt competitor from Carlos Catania BJJ Association in IN with an impressive 67% submission rate across 5 tournaments. With a 3-2 record and 1 gold, 2 silver, 2 bronze medals, Mason William K. Nonaka has competed in 5 tournaments.
Frequently Asked Questions
Mason William K. Nonaka has a 3-2 competition record across 5 matches in 5 tournaments.
Mason William K. Nonaka is ranked #19062 overall and #107 among green belt competitors on Jits.gg.
Mason William K. Nonaka has earned 1 gold, 2 silver, 2 bronze medals across 5 tournaments.
Mason William K. Nonaka trains at Carlos Catania BJJ Association and competes as a green belt.
Mason William K. Nonaka has a 67% submission rate and a 60% win rate across 5 matches.
Mason William K. Nonaka is ranked #107 among green belt competitors on Jits.gg.
Mason William K. Nonaka's current Jits rating is 1886. Use the Rating Simulator on Mason William K. Nonaka'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.