Ludovit Klein vs. Mateusz Rebecki - UFC 321: Aspinall vs. Gane Results & AI Breakdown

Winner: Ludovit Klein by Decision - Majority

Fight Info:
Location: Abu Dhabi, Abu Dhabi, United Arab Emirates
Elevation: 27.00m
Weight Class: Lightweight
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
Ludovit Klein
9
13
6
9.8
-146
Mateusz Rebecki
+114

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 Lightweight weight class.

Ludovit Klein
Mateusz Rebecki
Lightweight Average (50th percentile)

Weighted Scoring Report

Weighted Score for WTAI Prediction

Predicted Winner: Ludovit Klein

Weight Class: Lightweight

Final Confidence: 6.3

Confidence Adjustments

Value: -30.0%

Reason: Base confidence < 10, decreased by 30%

Fighter History & Outcomes

Ludovit Klein

Weight Change: Staying at usual weight

Fight History:

  • May 31, 2025: Ludovit Klein lost against Mateusz Gamrot. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 27 - 30. 27 - 30.
  • September 28, 2024: Ludovit Klein won against Roosevelt Roberts. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 28 - 29. 28 - 29.
  • June 8, 2024: Ludovit Klein won against Thiago Moises. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 27 - 30. 27 - 30.
  • March 2, 2024: Ludovit Klein won against AJ Cunningham. The fight ended in round 1 at 4:36. Method of victory: KO/TKO.
  • August 5, 2023: Ludovit Klein won against Ignacio Bahamondes. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 28 - 29. 28 - 29.
  • March 18, 2023: Ludovit Klein had an inconclusive result against Jai Herbert. The fight went the distance (3 Rnd (5-5-5)). Additional details: 27 - 29. 28 - 28. 28 - 28.
  • July 23, 2022: Ludovit Klein won against Mason Jones. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 27 - 30. 27 - 30. 27 - 30.
  • March 5, 2022: Ludovit Klein won against Devonte Smith. The fight ended in round 3 at 5:00. It was a split decision. Additional details: 28 - 29. 29 - 28. 27 - 30.
  • October 16, 2021: Ludovit Klein lost against Nate Landwehr. The fight ended in round 3 at 2:22. Method of victory: Submission.
  • May 8, 2021: Ludovit Klein lost against Michael Trizano. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 28 - 29. 28 - 29. 27 - 30.
  • September 26, 2020: Ludovit Klein won against Shane Young. The fight ended in round 1 at 1:16. Method of victory: KO/TKO.
Mateusz Rebecki

Weight Change: Staying at usual weight

Fight History:

  • August 2, 2025: Mateusz Rebecki lost against Chris Duncan. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 28 - 29. 28 - 29. 27 - 30.
  • October 26, 2024: Mateusz Rebecki won against Myktybek Orolbai. The fight ended in round 3 at 5:00. It was a split decision. Additional details: 29 - 28. 28 - 29. 28 - 29.
  • May 11, 2024: Mateusz Rebecki lost against Diego Ferreira. The fight ended in round 3 at 4:51. Method of victory: KO/TKO.
  • November 11, 2023: Mateusz Rebecki won against Roosevelt Roberts. The fight ended in round 1 at 3:08. Method of victory: Submission.
  • June 24, 2023: Mateusz Rebecki won against Loik Radzhabov. The fight ended in round 2 at 2:36. Method of victory: KO/TKO.
  • January 14, 2023: Mateusz Rebecki won against Nick Fiore. The fight ended in round 3 at 5:00. It was a unanimous decision. Additional details: 26 - 30. 27 - 30. 27 - 30.

Fight Analysis

Analysis: Ludovit Klein vs Mateusz Rebecki

WolfTicketsAI Predicts Ludovit Klein to Win

Score: 9
Odds:
Ludovit Klein: -146
Mateusz Rebecki: +114

Ludovit Klein's Breakdown

Klein brings a dynamic southpaw kicking game that's proven devastating against pressure fighters. His signature switch kick from orthodox stance—targeting both body and head—covers unexpected distance and has finished multiple opponents. Against AJ Cunningham, Klein chained body kicks into a front kick to the midsection that collapsed his opponent like "his soul left him through his arse."

His recent technical evolution shows improved defensive wrestling. Against Thiago Moises, Klein utilized a hand-under-chin technique with overhook control, "moonwalking" backwards to create separation angles when pressed to the cage. This defensive clinch work has become crucial against wrestling-heavy opponents.

Klein's galloping jab—where his back foot comes up before pushing off—creates deceptive range that confuses opponents. He follows this with his twist kick to the body, particularly effective when opponents switch to southpaw. Against Ignacio Bahamondes, Klein systematically attacked the lead leg with calf kicks before opening up with head strikes, demonstrating excellent multi-level striking.

The 72-inch reach advantage allows Klein to control distance effectively. His recent performances show 4.15 significant strikes landed per minute with improved 59% significant striking defense. He's won 4 of his last 6 UFC fights, with losses coming against elite competition like Mateusz Gamrot.

Ludovit Klein's Technical Vulnerabilities

Defensive Wrestling Under Sustained Pressure: Against Gamrot, Klein's takedown defense collapsed entirely. When Gamrot executed head-outside single legs in Round 2, Klein showed no hip pressure, whizzer defense, or sprawl mechanics. By Round 3, his guard became completely static—no hip movement, no frames, no sweep attempts. The cardio expenditure from defending earlier takedowns left him unable to maintain basic defensive structures.

Predictable Kicking Patterns: Klein's switch kick becomes exploitable against prepared opponents. When throwing his left round kick, he extends in a way that makes him susceptible to opponents stepping toward him at angles with counter hooks. Against Roosevelt Roberts, when Roberts parried Klein's signature kick across his body in Round 1, Klein immediately lost defensive structure and was taken down. He abandoned his kicking game entirely in Round 2, severely limiting his offense.

Stance Positioning After Kicks: Klein occasionally resets with his chin elevated after combinations, leaving him open to intercepting counters. His wide southpaw stance, while beneficial for kicking, leaves him vulnerable to low calf kicks when he remains stationary setting up strikes.

Mateusz Rebecki's Breakdown

Rebecki is a compact southpaw pressure fighter built around his devastating overhand left. Against Myktybek Orolbai, he repeatedly landed this power punch throughout three rounds, demonstrating excellent weight transfer and commitment. His "thicker than he is tall" frame allows him to walk opponents down relentlessly.

His wrestling operates as both offensive weapon and recovery mechanism. Against Roosevelt Roberts, Rebecki secured a submission victory, showing competent top control that emphasizes pressure and grinding rather than spectacular sequences. He averages 3.19 takedowns per fight with 68% accuracy and perfect 100% takedown defense in his UFC run.

Rebecki's recent adaptation shows tactical flexibility. Against Chris Duncan, when his traditional overhand left was being countered, he shifted emphasis to a counter right hook mid-fight. Though the execution needs refinement—he occasionally spun himself around from over-commitment—this adjustment demonstrated evolving fight IQ.

His body attack game has become increasingly prominent. Against Loik Radzhabov, Rebecki secured a second-round TKO finish. He lands 5.53 significant strikes per minute with 0.92 leg kicks per minute, showing diverse offensive tools beyond his power left.

Mateusz Rebecki's Technical Vulnerabilities

Exploitable Stance Mechanics Against Circling: Chris Duncan exposed critical weaknesses in Rebecki's ability to handle diagonal circling in open stance matchups. When orthodox opponents circle backward to their right (toward Rebecki's left side but away from the power hand), Rebecki struggles to cut angles. Duncan's spiraling pattern forced Rebecki to either throw extended left hands (easier to counter) or chase position (allowing Duncan to land right straights on predictable entries).

Counter Right Hand Exposure: When pressing forward behind his jab or overhand left, Rebecki pulls his left hand back to load power, creating a window where his centerline is exposed. Duncan opened a massive cut with a right up-elbow by timing this exact moment. Throughout that fight, Duncan landed multiple right straights intercepting Rebecki's forward pressure.

Body Attack Vulnerability: Against Duncan, a front kick to Rebecki's midsection had him fighting the next thirty seconds with his right hand pressed against his belly button. The accumulated body damage affected his ability to maintain forward pressure and reduced his wrestling entries. His recent striking defense has dropped to 46%, with 3.11 head strikes absorbed per minute—concerning numbers for a pressure fighter.

Style Matchup Dynamics

Klein's technical kicking game directly counters Rebecki's straight-line pressure approach. Where Rebecki walks directly forward behind his overhand left, Klein's lateral movement and switch kicks create angles that exploit Rebecki's difficulty cutting off the cage. Klein's calf kicks will target the same vulnerability Duncan exposed—Rebecki's stationary stance when loading power.

Rebecki's wrestling threat should theoretically neutralize Klein's kicking game, but Klein's improved defensive wrestling tells a different story. Against Moises, Klein successfully defended clinch positions with underhook control and angle creation. Rebecki's takedown entries are typically reactive rather than proactively set up—exactly the type Klein has learned to defend.

The open stance matchup (both southpaws) eliminates Rebecki's blueprint against orthodox fighters. Klein won't be circling into Rebecki's power left; instead, both fighters will be competing for the same angles. Klein's 6-inch reach advantage becomes massive here, allowing him to land kicks and jabs while staying outside Rebecki's power range.

Klein's body kick game targets Rebecki's proven vulnerability. The twist kick to the body that finished Cunningham—and the systematic body work against Bahamondes—directly exploits the same weakness Duncan exposed. Rebecki's tendency to guard his midsection after absorbing body damage will open up Klein's head kick finishes.

Fight Phase Analysis

Early Rounds: Klein establishes range with his galloping jab and calf kicks, forcing Rebecki to respect the distance. Rebecki's forward pressure meets Klein's lateral movement, creating a chess match where Klein's reach advantage allows him to score while circling. Klein's switch kicks to the body begin accumulating damage, testing Rebecki's durability.

Mid-Fight Adjustments: As Rebecki's body absorbs damage, his forward pressure becomes more cautious. Klein increases his kicking volume, mixing head and body attacks. If Rebecki shoots takedowns out of desperation, Klein's improved defensive wrestling—particularly his hand-under-chin technique—allows him to create separation and return to striking range.

Championship Rounds: Klein's superior cardio under striking exchanges gives him the edge. While Klein showed defensive wrestling fatigue against Gamrot's elite pressure, Rebecki's wrestling isn't at that level. Klein's technical striking continues scoring while Rebecki's damaged body limits his ability to pressure effectively. Klein's recent performances show maintained output late—4.15 significant strikes per minute across full fights.

Analysis and Key Points

  • Reach and Range Control: Klein's 72-inch reach versus Rebecki's 66 inches creates a 6-inch advantage that's massive in a southpaw mirror match. Klein can land kicks and jabs while staying outside Rebecki's power range.

  • Body Attack Exploitation: Klein's systematic body work (twist kicks, front kicks, calf kicks) directly targets Rebecki's proven vulnerability. Duncan's front kick had Rebecki visibly compromised; Klein's more diverse body attack arsenal will accumulate similar damage.

  • Defensive Wrestling Evolution: Klein's improved clinch defense neutralizes Rebecki's wrestling threat. The hand-under-chin technique with angle creation that worked against Moises will frustrate Rebecki's takedown attempts.

  • Recent Form Contrast: Klein has won 4 of his last 6, with losses only to elite competition (Gamrot). Rebecki has lost 2 of his last 3, including the Duncan blueprint that Klein can replicate.

  • Cardio Under Pressure: Klein's defensive wrestling fatigue only appeared against Gamrot's elite pace. Rebecki's pressure, while relentless, isn't at that level. Klein's striking cardio remains strong throughout full fights.

Understanding the Prediction

The model's confidence in Klein stems from several statistical advantages:

  • Odds increased the prediction score by 6 points—the betting market recognizes Klein's advantages despite Rebecki's power.

  • Reach added 3 points—the 6-inch advantage is massive in this matchup, allowing Klein to control distance and land strikes while staying outside danger.

  • Recent Win Percentage contributed 2 points—Klein's 67% recent win rate versus Rebecki's 33% shows clear momentum differential.

  • Significant Striking Impact Differential and related metrics added points—Klein's +5.86 recent significant striking impact differential versus Rebecki's +7.35 shows both land effectively, but Klein's defensive improvements (59% significant striking defense) give him the edge.

  • TrueSkill added 1 point—Klein's rating (28.12 Mu, 3.48 Sigma) versus Rebecki's (29.40 Mu, 7.17 Sigma) shows Klein's consistency. Rebecki's high Sigma indicates uncertainty from his recent losses.

The negative factors are minimal: Striking Defense Percentage decreased the score by 1 point, reflecting Klein's 44% overall striking defense. However, his recent 49% shows improvement, and his defensive wrestling evolution addresses this concern.

Past Model Performance

WolfTicketsAI has shown mixed performance on both fighters, creating interesting context:

Klein's History: The model correctly predicted Klein's wins over Roosevelt Roberts (78% confidence) and Thiago Moises (62% confidence). It incorrectly favored opponents against Bahamondes, Jones, and Smith—fights Klein won by executing his technical gameplan. The model's 9-point confidence here suggests it's learned from underestimating Klein's tactical striking.

Rebecki's History: The model incorrectly predicted Rebecki wins over Chris Duncan (65% confidence) and Diego Ferreira (66% confidence)—both losses where Rebecki's vulnerabilities were exposed. It also incorrectly favored opponents against Orolbai and Radzhabov—fights Rebecki won through sheer power. The model's pivot to Klein suggests it's identified the Duncan blueprint as replicable.

The model's learning curve is clear: it now recognizes that technical strikers with lateral movement and body attack games (like Duncan) exploit Rebecki's vulnerabilities. Klein possesses these exact tools with superior execution.

Conclusion

Klein's technical kicking game, 6-inch reach advantage, and improved defensive wrestling create a perfect storm against Rebecki's straight-line pressure approach. The Duncan blueprint—lateral movement, body attacks, right-side counters—is directly replicable by Klein's southpaw kicking arsenal. Rebecki's recent losses expose vulnerabilities Klein is uniquely positioned to exploit: body kick accumulation, defensive positioning after power shots, and difficulty cutting angles against circling opponents. Klein controls distance early with calf kicks and jabs, accumulates body damage mid-fight with his signature twist kicks, and maintains technical striking superiority into later rounds as Rebecki's compromised midsection limits his pressure. WolfTicketsAI's 9-point confidence reflects Klein's stylistic advantages, recent form, and the statistical edges that make him the clear pick in this lightweight showdown.

Stat Breakdown

Stat Ludovit Klein Mateusz Rebecki
Main Stats
Age 30 33
Height 67" 67"
Reach 72" 66"
Win Percentage 82.14% 86.96%
Wins 24 20
Losses 5 4
Wins at Weight Class 6 3
Losses at Weight Class 2 2
Striking Stats
Striking Accuracy 59.98% 51.13%
Significant Striking Accuracy 52.83% 46.88%
Strikes Landed Per Minute 5.541 7.056
Significant Strikes Landed Per Minute 3.574 5.525
Knockdowns per Fight 0.543 0.850
Striking Impact Differential -0.82% 15.00%
Significant Striking Impact Differential 2.91% 9.83%
Striking Output Differential -9.36% 22.67%
Significant Striking Output Differential -3.91% 13.33%
Striking Defense to Offense Ratio 78.98% 86.35%
Significant Striking Defense to Offense Ratio 104.45% 107.95%
Striking Defense Percentage 52.76% 55.98%
Takedown and Submission Stats
Submissions per Fight 0.000 0.425
Takedowns per Fight 1.519 3.188
Takedowns Attempted per Fight 2.930 4.675
Takedown Defense 30.77% 100.00%
Takedown Accuracy 51.85% 68.18%
Head Stats
Head Strikes Landed per Minute 1.961 3.655
Head Strikes Attempted per Minute 4.717 9.365
Head Strikes Absorbed per Minute 1.729 3.528
Body Stats
Body Strikes Landed per Minute 1.172 0.949
Body Strikes Attempted per Minute 1.563 1.417
Body Strikes Absorbed per Minute 0.969 0.907
Leg Stats
Leg Strikes Landed per Minute 0.441 0.921
Leg kicks Attempted per Minute 0.485 1.006
Leg kicks Absorbed per Minute 0.644 0.255
Clinch Stats
Clinch Strikes Landed per Minute 0.441 0.269
Clinch Strikes Attempted per Minute 0.557 0.383
Clinch Strikes Absorbed per Minute 0.695 0.170
Ludovit Klein History:
Date Weight Red Corner Blue Corner Winner
May 31, 2025 Lightweight Mateusz Gamrot Ludovit Klein Mateusz Gamrot
Sept. 28, 2024 Lightweight Ludovit Klein Roosevelt Roberts Ludovit Klein
June 8, 2024 Lightweight Thiago Moises Ludovit Klein Ludovit Klein
March 2, 2024 Lightweight Ludovit Klein AJ Cunningham Ludovit Klein
Aug. 5, 2023 Lightweight Ignacio Bahamondes Ludovit Klein Ludovit Klein
March 18, 2023 Lightweight Jai Herbert Ludovit Klein None
July 23, 2022 Lightweight Mason Jones Ludovit Klein Ludovit Klein
March 5, 2022 Lightweight Devonte Smith Ludovit Klein Ludovit Klein
Oct. 16, 2021 Featherweight Nate Landwehr Ludovit Klein Nate Landwehr
May 8, 2021 Featherweight Ludovit Klein Michael Trizano Michael Trizano
Sept. 26, 2020 Featherweight Shane Young Ludovit Klein Ludovit Klein
Mateusz Rebecki History:
Date Weight Red Corner Blue Corner Winner
Aug. 2, 2025 Lightweight Mateusz Rebecki Chris Duncan Chris Duncan
Oct. 26, 2024 Catch Weight Mateusz Rebecki Myktybek Orolbai Mateusz Rebecki
May 11, 2024 Lightweight Diego Ferreira Mateusz Rebecki Diego Ferreira
Nov. 11, 2023 Lightweight Mateusz Rebecki Roosevelt Roberts Mateusz Rebecki
June 24, 2023 Lightweight Mateusz Rebecki Loik Radzhabov Mateusz Rebecki
Jan. 14, 2023 Lightweight Mateusz Rebecki Nick Fiore Mateusz Rebecki