Sergei Pavlovich vs. Waldo Cortes-Acosta - UFC Fight Night: Walker vs. Zhang Results & AI Breakdown

Winner: Sergei Pavlovich by Decision - Unanimous

Fight Info:
Location: Shanghai, Hebei, China
Elevation: 4.00m
Weight Class: Heavyweight
Wikipedia: https://en.wikipedia.org…

The content below shows how the model reached its conclusion for the prediction. The higher the value of the number, the more confident the model is in the prediction. The confidence scores do not perfectly correlate with accuracy. Use your judgement to see where the model may have missed the mark.

The predictions below are shown in dark grey if they were correct, incorxrect predictions are shown in red.
Predictions
W = WTAI Model O = Profit Model P = Plain Model EV = Expected Value
Fighter
Confidence
EV
Odds
W
O
P
Sergei Pavlovich
4
11
1
-10.0
-235
Waldo Cortes-Acosta
+180

Fighter Comparison Chart

This radar chart shows each fighter's strengths across key fighting dimensions. Each dimension is scored 0-100 based on their percentile ranking within the Heavyweight weight class.

Sergei Pavlovich
Waldo Cortes-Acosta
Heavyweight Average (50th percentile)

Weighted Scoring Report

Weighted Score for WTAI Prediction

Predicted Winner: Sergei Pavlovich

Weight Class: Heavyweight

Final Confidence: 2.8

Confidence Adjustments

Value: -30.0%

Reason: Base confidence < 10, decreased by 30%

Fighter History & Outcomes

Sergei Pavlovich

Weight Change: Staying at usual weight

Fight History:

  • February 1, 2025: Sergei Pavlovich won against Jairzinho Rozenstruik. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 27 - 30. 27 - 30.
  • June 22, 2024: Sergei Pavlovich lost against Alexander Volkov. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 27 - 30. 28 - 29.
  • November 11, 2023: Sergei Pavlovich lost against Tom Aspinall. The fight ended in round 1 at 1:09. Method of victory: KO/TKO.
  • April 22, 2023: Sergei Pavlovich won against Curtis Blaydes. The fight ended in round 1 at 3:08. Method of victory: KO/TKO.
  • December 3, 2022: Sergei Pavlovich won against Tai Tuivasa. The fight ended in round 1 at 0:54. Method of victory: KO/TKO.
  • July 30, 2022: Sergei Pavlovich won against Derrick Lewis. The fight ended in round 1 at 0:55. Method of victory: KO/TKO.
  • March 19, 2022: Sergei Pavlovich won against Shamil Abdurakhimov. The fight ended in round 1 at 4:03. Method of victory: KO/TKO.
  • October 26, 2019: Sergei Pavlovich won against Maurice Greene. The fight ended in round 1 at 2:11. Method of victory: KO/TKO.
  • April 20, 2019: Sergei Pavlovich won against Marcelo Golm. The fight ended in round 1 at 1:06. Method of victory: KO/TKO.
  • November 24, 2018: Sergei Pavlovich lost against Alistair Overeem. The fight ended in round 1 at 4:21. Method of victory: KO/TKO.
Waldo Cortes-Acosta

Weight Change: Staying at usual weight

Fight History:

  • June 7, 2025: Waldo Cortes-Acosta won against Serghei Spivac. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 28 - 29. 28 - 29.
  • March 15, 2025: Waldo Cortes-Acosta won against Ryan Spann. The fight ended in round 2 at 4:48. Method of victory: KO/TKO.
  • May 11, 2024: Waldo Cortes-Acosta won against Robelis Despaigne. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 26 - 30. 27 - 30. 27 - 30.
  • January 13, 2024: Waldo Cortes-Acosta won against Andrei Arlovski. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 28 - 29. 28 - 29. 28 - 29.
  • August 26, 2023: Waldo Cortes-Acosta won against Lukasz Brzeski. The fight ended in round 1 at 3:01. Method of victory: KO/TKO.
  • April 29, 2023: Waldo Cortes-Acosta lost against Marcos Rogerio de Lima. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 28 - 29. 28 - 29. 28 - 29.
  • November 19, 2022: Waldo Cortes-Acosta won against Chase Sherman. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 28 - 29. 28 - 29.
  • October 29, 2022: Waldo Cortes-Acosta won against Jared Vanderaa. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 28 - 29. 28 - 29.

Fight Analysis

Analysis: Sergei Pavlovich vs Waldo Cortes-Acosta

WolfTicketsAI Predicts Sergei Pavlovich to Win

Score: 4
Odds:
Sergei Pavlovich: -235
Waldo Cortes-Acosta: +180

Sergei Pavlovich's Breakdown

Pavlovich enters this fight as a wounded lion coming off consecutive losses to Tom Aspinall and Alexander Volkov. The Russian power puncher built his reputation on devastating first-round knockouts, using his signature blitzing combination of jab-overhand right-left hook to overwhelm opponents like Curtis Blaydes, Tai Tuivasa, and Derrick Lewis. His 84-inch reach and explosive forward pressure made him nearly unstoppable during his knockout streak.

However, recent performances reveal a fighter dealing with confidence issues. Against Volkov, Pavlovich looked "bumbling" when unable to close distance against the southpaw stance and lead leg sidekicks. His typically aggressive blitzing was neutralized by Volkov's superior reach management and defensive positioning. Against Rozenstruik, Pavlovich abandoned his signature forward pressure entirely, opting for a wrestling-heavy approach that suggested a fighter afraid to engage in the firefights that once brought him success.

When Pavlovich commits to his combinations, he chains together devastating power shots with remarkable speed for a heavyweight. His defensive shell-to-counter approach allows him to absorb shots on his forearms before immediately returning fire with interest.

Sergei Pavlovich's Technical Vulnerabilities

Pavlovich's confidence dependency has become his most glaring weakness. Following back-to-back losses, his output and commitment to forward pressure decreased dramatically against Rozenstruik, where he appeared tentative and "shook." This psychological fragility was exposed when Aspinall's relentless pressure overwhelmed him in just 69 seconds.

His linear forward movement makes him predictable against mobile opponents. Volkov exploited this by switching stances and using lateral movement, leaving Pavlovich swinging at air. When his primary blitzing attack fails, Pavlovich lacks secondary entries and often becomes frustrated, as seen in Round 2 against Volkov when he couldn't establish his preferred range.

Pavlovich's defensive gaps appear when opponents maintain distance through kicks and movement. His limited range management was evident against Volkov's lead leg sidekicks, which disrupted his forward momentum and prevented him from landing his power shots.

Waldo Cortes-Acosta's Breakdown

Cortes-Acosta brings an undefeated UFC record (6-1) and impressive recent form, winning five of his last six fights. The Dominican heavyweight operates as a methodical boxer-puncher who excels at controlled pressure and calculated power shots. His signature sequence involves body jabs followed by upstairs combinations, effectively manipulating opponents' defensive reactions.

Against Serghei Spivac, Cortes-Acosta showed excellent fight IQ by weathering early pressure before taking control through superior conditioning and tactical adjustments. His wrestling has evolved significantly, using well-timed double-legs after opponents commit to power shots. Against Ryan Spann, he demonstrated improved cardio management while maintaining technical effectiveness into later rounds.

Cortes-Acosta's boxing fundamentals are technically superior to most heavyweights. His jab-cross-left hook combinations are delivered with consistent accuracy, and his defensive head movement through weaving and slipping creates counter-striking opportunities. His body work, particularly the liver shot left hooks against Spann, shows his ability to systematically break down opponents.

Waldo Cortes-Acosta's Technical Vulnerabilities

Cortes-Acosta's kick defense remains problematic, as exposed by Marcos Rogerio de Lima's leg kick strategy that visibly hampered his mobility throughout their fight. He tends to back straight up rather than checking or countering kicks, allowing opponents to establish a kicking rhythm without consequence.

His tendency to drop his rear hand when stepping in with his jab creates openings for counter right hands, particularly dangerous against a power puncher like Pavlovich. This defensive lapse becomes more pronounced in later rounds as fatigue sets in.

Cortes-Acosta occasionally overcommits to power shots, leaving himself momentarily out of position during recovery phases. Against aggressive opponents who pressure immediately after his combinations, these brief windows could prove costly.

Style Matchup Dynamics

This matchup presents a fascinating contrast between Pavlovich's explosive but compromised aggression and Cortes-Acosta's methodical pressure boxing. Cortes-Acosta's patient approach could exploit Pavlovich's current hesitancy to engage in firefights. If Pavlovich attempts his traditional blitzing, Cortes-Acosta's superior boxing fundamentals and defensive head movement give him excellent counter-striking opportunities.

Cortes-Acosta's body jab strategy could be particularly effective against Pavlovich, who tends to carry his hands high in his defensive shell. By drawing Pavlovich's guard down with body shots, Cortes-Acosta can create openings for his overhand rights and left hooks upstairs—the same combination that troubled Spann.

However, if Pavlovich rediscovers his confidence and commits to his forward pressure, his reach advantage and power could overwhelm Cortes-Acosta's kick defense vulnerabilities. Pavlovich's ability to cut off the cage when motivated could force the exchanges where his knockout power becomes decisive.

Fight Phase Analysis

Early rounds favor Cortes-Acosta's patient approach against the currently tentative Pavlovich. If Pavlovich starts cautiously as he did against Rozenstruik, Cortes-Acosta can establish his jab and begin implementing his body work strategy without facing the explosive blitzing that made Pavlovich so dangerous.

Mid-fight adjustments could see Pavlovich attempting to wrestle, as he did against Rozenstruik, but Cortes-Acosta's improved takedown defense and ability to return to his feet quickly should neutralize this approach. Cortes-Acosta's superior conditioning gives him an advantage in championship rounds, where his technical execution remains sharp while opponents fade.

Analysis and Key Points

Confidence Factor: Pavlovich's psychological state following consecutive losses creates uncertainty about which version appears • Technical Boxing: Cortes-Acosta's superior boxing fundamentals and defensive head movement favor him in extended exchanges
Power vs. Patience: Pavlovich's knockout ability remains dangerous, but his reluctance to commit fully has diminished this threat • Cardio Advantage: Cortes-Acosta's improved conditioning allows him to maintain technical effectiveness longer than most heavyweights • Kick Defense: Cortes-Acosta's vulnerability to kicks could be exploited if Pavlovich incorporates leg kicks into his attack

Understanding the Prediction

The model's confidence stems primarily from Odds increasing the prediction score by 14.0, reflecting Pavlovich's betting favorite status despite recent struggles. Reach increased the score by 3.0, acknowledging Pavlovich's 6-inch reach advantage. However, Recent Win Percentage decreased the score by 3.0, reflecting Pavlovich's poor recent form (1-2 in last three). Recent Significant Striking Impact Differential also decreased by 3.0, indicating Cortes-Acosta's superior recent striking effectiveness.

Past Model Performance

WolfTicketsAI has a mixed record with Pavlovich, correctly predicting his wins against Rozenstruik, Tuivasa, Lewis, and Abdurakhimov, but missing on his losses to Volkov and Aspinall. The model showed particular confidence in Pavlovich against Aspinall (0.75 score) but was wrong, suggesting potential overvaluation of his knockout power. For Cortes-Acosta, the model has been largely accurate, correctly predicting five of his seven UFC fights, including his recent wins over Spivac and Spann.

Conclusion

Despite Pavlovich's power advantage and betting favorite status, his recent psychological struggles and technical limitations against patient, defensively sound opponents favor Cortes-Acosta's methodical approach. The Dominican's superior boxing fundamentals, improved conditioning, and ability to exploit Pavlovich's current hesitancy make him the more reliable pick. WolfTicketsAI's prediction of Pavlovich reflects the model's respect for his knockout power, but the technical evidence suggests Cortes-Acosta's patient pressure boxing will prevail over a diminished version of the Russian knockout artist.

Stat Breakdown

Stat Sergei Pavlovich Waldo Cortes-Acosta
Main Stats
Age 33 33
Height 75" 76"
Reach 84" 78"
Win Percentage 86.36% 93.33%
Wins 20 14
Losses 3 2
Wins at Weight Class 7 7
Losses at Weight Class 2 1
Striking Stats
Striking Accuracy 52.84% 51.71%
Significant Striking Accuracy 43.75% 48.93%
Strikes Landed Per Minute 7.199 6.750
Significant Strikes Landed Per Minute 4.541 5.777
Knockdowns per Fight 2.197 0.292
Striking Impact Differential 15.20% 38.50%
Significant Striking Impact Differential 3.50% 30.50%
Striking Output Differential 24.00% 62.13%
Significant Striking Output Differential 9.90% 52.13%
Striking Defense to Offense Ratio 63.66% 66.14%
Significant Striking Defense to Offense Ratio 99.08% 75.25%
Striking Defense Percentage 54.16% 56.09%
Takedown and Submission Stats
Submissions per Fight 0.000 0.146
Takedowns per Fight 0.628 0.438
Takedowns Attempted per Fight 1.570 0.875
Takedown Defense 33.33% 50.00%
Takedown Accuracy 40.00% 50.00%
Head Stats
Head Strikes Landed per Minute 4.081 4.163
Head Strikes Attempted per Minute 9.627 9.707
Head Strikes Absorbed per Minute 1.800 1.284
Body Stats
Body Strikes Landed per Minute 0.377 0.924
Body Strikes Attempted per Minute 0.670 1.264
Body Strikes Absorbed per Minute 0.712 0.661
Leg Stats
Leg Strikes Landed per Minute 0.084 0.691
Leg kicks Attempted per Minute 0.084 0.836
Leg kicks Absorbed per Minute 1.298 1.459
Clinch Stats
Clinch Strikes Landed per Minute 0.377 0.195
Clinch Strikes Attempted per Minute 0.712 0.311
Clinch Strikes Absorbed per Minute 0.167 0.097
Sergei Pavlovich History:
Date Weight Red Corner Blue Corner Winner
Feb. 1, 2025 Heavyweight Sergei Pavlovich Jairzinho Rozenstruik Sergei Pavlovich
June 22, 2024 Heavyweight Sergei Pavlovich Alexander Volkov Alexander Volkov
Nov. 11, 2023 UFC Interim Heavyweight Title Sergei Pavlovich Tom Aspinall Tom Aspinall
April 22, 2023 Heavyweight Sergei Pavlovich Curtis Blaydes Sergei Pavlovich
Dec. 3, 2022 Heavyweight Tai Tuivasa Sergei Pavlovich Sergei Pavlovich
July 30, 2022 Heavyweight Derrick Lewis Sergei Pavlovich Sergei Pavlovich
March 19, 2022 Heavyweight Shamil Abdurakhimov Sergei Pavlovich Sergei Pavlovich
Oct. 26, 2019 Heavyweight Maurice Greene Sergei Pavlovich Sergei Pavlovich
April 20, 2019 Heavyweight Sergei Pavlovich Marcelo Golm Sergei Pavlovich
Nov. 24, 2018 Heavyweight Alistair Overeem Sergei Pavlovich Alistair Overeem
Waldo Cortes-Acosta History:
Date Weight Red Corner Blue Corner Winner
June 7, 2025 Heavyweight Serghei Spivac Waldo Cortes-Acosta Waldo Cortes-Acosta
March 15, 2025 Heavyweight Waldo Cortes-Acosta Ryan Spann Waldo Cortes-Acosta
May 11, 2024 Heavyweight Waldo Cortes-Acosta Robelis Despaigne Waldo Cortes-Acosta
Jan. 13, 2024 Heavyweight Andrei Arlovski Waldo Cortes-Acosta Waldo Cortes-Acosta
Aug. 26, 2023 Heavyweight Waldo Cortes-Acosta Lukasz Brzeski Waldo Cortes-Acosta
April 29, 2023 Heavyweight Marcos Rogerio de Lima Waldo Cortes-Acosta Marcos Rogerio de Lima
Nov. 19, 2022 Heavyweight Chase Sherman Waldo Cortes-Acosta Waldo Cortes-Acosta
Oct. 29, 2022 Heavyweight Waldo Cortes-Acosta Jared Vanderaa Waldo Cortes-Acosta