Serghei Spivac
"Polar Bear"
17-6-0
VS
2026-08-22
UFC Fight Night: Hernandez vs. Rodrigues
Heavyweight
Vitor Petrino
13-2-0
LIGHTGBM PREDICTION
Vitor Petrino
62.8% CONFIDENCE
How It Ends
49%
Decision
34%
KO / TKO
17%
Submission
Decision49.3%
KO / TKO34.0%
Submission16.7%
If it's a finish, which round
Round 151.3%
Round 231.4%
Round 3+17.3%
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
Serghei Spivac
Vitor Petrino
Net striking dominance
Matchup -1.36
21%
Experience edge (total fights)
Matchup +8
10%
Strike rate delta r1 to r3
Serghei Spivac -1.32
10%
Defensive skill edge
Matchup -0.07
9%
Avg takedowns attempted
Vitor Petrino 3.31
4%
Age
Vitor Petrino 29.0 yrs
4%
Head-strike accuracy edge
Matchup 6%
4%
Head absorption rate
Vitor Petrino 60%
4%
Distance strike defense
Serghei Spivac 57%
3%
Strike rate delta r1 to r3
Vitor Petrino -0.40
3%
Elo rating
Vitor Petrino 1,567
3%
Strikes absorbed/min
Serghei Spivac 4.11
2%
Age
Serghei Spivac 31.6 yrs
2%
Last 2 avg fight time
Serghei Spivac 900
2%
← pushes toward Serghei Spivac pushes toward Vitor Petrino →
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.

Serghei Spivac

Win Streak
1
Finish Rate
20%
Avg Duration
9.1m
Last 5 fights (most recent first)
W DEC
L DEC
L KO
W SUB
L KO
Height: 190 cm
Weight: 260 lbs
Reach: 198 cm
Stance: Orthodox

Vitor Petrino

Win Streak
3
Finish Rate
40%
Avg Duration
9.1m
Last 5 fights (most recent first)
W DEC
W KO
W SUB
L KO
L SUB
Height: 188 cm
Weight: 265 lbs
Reach: 196 cm
Stance: Orthodox
Head-to-Head Stats
Serghei Spivac
ADVANTAGE
Vitor Petrino
Striking Accuracy
45.4%
+3.5%
48.8%
Strikes Landed/Min
3.17
+0.21
2.96
Strikes Absorbed/Min
4.11
+1.57
2.54
Striking Defense
53.9%
+0.5%
54.4%
Takedown Accuracy
45.6%
+8.9%
36.7%
Takedown Defense
60.3%
+14.2%
74.6%
Knockdowns/Fight
0.09
+0.24
0.33
Avg Control Time (sec)
86.99
+4.05
82.95
Strikes Per Round
15.45
+0.73
14.73
Head Strike %
77.7%
+12.5%
65.2%
Body Strike %
12.3%
+7.5%
19.8%
Leg Strike %
10.0%
+4.9%
15.0%
Last 5 Win Rate
40.0%
+20.0%
60.0%
Last 5 Finish Rate
20.0%
+20.0%
40.0%