Arman Tsarukyan
"Ahalkalakets"
23-3-0
VS
2026-09-19
UFC 331: Van vs. Pantoja 2
Lightweight
Mauricio Ruffy
12-2-0
WITH ODDS · LIGHTGBM PREDICTION
Arman Tsarukyan 'Ahalkalakets'
82.1% CONFIDENCE
ACTUAL RESULT — MODEL WAS CORRECT
Arman Tsarukyan 'Ahalkalakets' won
KO/TKO · Round 1 · 4:56
How It Ends
49%
Decision
33%
KO / TKO
18%
Submission
Decision48.7%
KO / TKO33.3%
Submission18.0%
If it's a finish, which round
Round 141.2%
Round 241.3%
Round 3+17.5%
A separate model trained only on how fights end (not who wins) — 51% estimated chance this fight is finished rather than going to a decision.
Why LightGBM leans this way
Arman Tsarukyan
Mauricio Ruffy
Market latest prob diff
Matchup
47%
Market opening prob diff
Matchup
14%
Net striking dominance
Matchup
6%
Fights in last 2 years
Mauricio Ruffy
3%
Experience edge (total fights)
Matchup
2%
Sub attempts/fight
Mauricio Ruffy
2%
Strike rate delta r1 to r3
Arman Tsarukyan
2%
Strike rate delta r1 to r3
Mauricio Ruffy
2%
Avg control time
Arman Tsarukyan
2%
Head absorption rate
Mauricio Ruffy
2%
Strikes absorbed/min
Arman Tsarukyan
2%
Avg takedowns attempted
Arman Tsarukyan
1%
Fights per year
Arman Tsarukyan
1%
Avg takedowns attempted
Mauricio Ruffy
1%
← pushes toward Arman Tsarukyan pushes toward Mauricio Ruffy →
Bars show each factor's SHAP contribution to this specific prediction — how much it pushed the win probability toward one fighter, given everything else the model knows. Percentages are each factor's share of the total push across the top 30 factors.

Arman Tsarukyan

Win Streak
N/A
Finish Rate
N/A%
Avg Duration
N/Am
Last 5 fights (most recent first)
W KO
W SUB
W DEC
W KO
W KO
Height: 170 cm
Weight: 155 lbs
Reach: 183 cm
Stance: Orthodox

Mauricio Ruffy

Win Streak
N/A
Finish Rate
N/A%
Avg Duration
N/Am
Last 5 fights (most recent first)
L KO
W KO
W KO
L SUB
W KO
Height: 180 cm
Weight: 155 lbs
Reach: 190 cm
Stance: Orthodox