Valter Walker
"The Clean Monster"
15-1-0
VS
2026-07-25
UFC Fight Night: Ankalaev vs. Rountree Jr
Heavyweight
Thomas Petersen
"The Train"
10-4-0
CATBOOST PREDICTION
Valter Walker 'The Clean Monster'
62.0% CONFIDENCE
How It Ends
35%
Decision
37%
KO / TKO
28%
Submission
Decision35.2%
KO / TKO37.1%
Submission27.8%
If it's a finish, which round
Round 152.3%
Round 230.5%
Round 3+17.3%
A separate model trained only on how fights end (not who wins) — 65% estimated chance this fight is finished rather than going to a decision.
Why CatBoost leans this way
Valter Walker
Thomas Petersen
Elo rating edge
Matchup
15%
Strike rate delta r1 to r3
Thomas Petersen
12%
Strike rate delta r1 to r3
Valter Walker
10%
Net striking dominance
Matchup
8%
Defensive skill edge
Matchup
6%
Avg control time
Thomas Petersen
6%
Strikes absorbed/min
Valter Walker
6%
Age
Valter Walker
4%
Avg takedowns attempted
Thomas Petersen
3%
Age
Thomas Petersen
3%
Avg takedowns attempted
Valter Walker
2%
Finishing threat edge
Matchup
2%
Head-strike accuracy edge
Matchup
2%
Distance strike defense
Thomas Petersen
2%
← pushes toward Valter Walker pushes toward Thomas Petersen →
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.

Valter Walker

Win Streak
N/A
Finish Rate
N/A%
Avg Duration
N/Am
Last 5 fights (most recent first)
W SUB
W SUB
W SUB
W SUB
W SUB
Height: 198 cm
Weight: 244 lbs
Reach: 198 cm
Stance: Orthodox

Thomas Petersen

Win Streak
N/A
Finish Rate
N/A%
Avg Duration
N/Am
Last 5 fights (most recent first)
L SUB
W DEC
L KO
W DEC
L KO
Height: 185 cm
Weight: 264 lbs
Reach: 188 cm
Stance: Southpaw