Almaty Kazakhstan Hard Atp 250 Round of 32

Rei Sakamoto vs Karen Khachanov Prediction

Rei Sakamoto

Rank: #124
34%
VS

Karen Khachanov

Rank: #25
66%
Expected Total Games: 24.7
Predicted Winner: Karen Khachanov

Why the Model Favors Karen Khachanov

The factors that drove this prediction, measured in win-probability points.

Overall strength +7.1 Karen Khachanov
Recent record by level +7.0 Karen Khachanov
Surface fit +6.0 Karen Khachanov
Age +4.7 Rei Sakamoto
Serve & return game +2.4 Rei Sakamoto

Starting from an even matchup, these factors move the model to 66% for Karen Khachanov. Computed with gradient-based attribution on our neural network, not editorial opinion. How to read this →

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Ranking Trends

Rei Sakamoto

  • Current #124 2026-10-19
  • 3 mo ago #165 2026-07-20
  • 6 mo ago #159 2026-04-20
  • 9 mo ago #203 2026-01-19
  • 12 mo ago #177 2025-10-20

Karen Khachanov

  • Current #25 2026-10-19
  • 3 mo ago #26 2026-07-20
  • 6 mo ago #16 2026-04-20
  • 9 mo ago #18 2026-01-19
  • 12 mo ago #13 2025-10-20

Player Metrics

Rei Sakamoto

Form Index: 66.8
ELO Rating: 1756.8
Glicko2 Rating: 1728.3
Current Fatigue (minutes): 177.0
Surface Strength:
Hard: 31.1
Clay: 8.8
Grass: 10.1
Serve Rating: 96.3
Return Rating: 87.4

Karen Khachanov

Form Index: 49.6
ELO Rating: 1854.4
Glicko2 Rating: 1755.2
Current Fatigue (minutes): 0.0
Surface Strength:
Hard: 36.1
Clay: 26.2
Grass: 30.1
Serve Rating: 96.1
Return Rating: 87.3

Recent Matches

Rei Sakamoto
✅ ✅ ❌ ✅ ✅

  • Last Match: ✅ vs Gabriel Diallo (2-1) hard Almaty 121 min
  • 2nd Last Match: ✅ vs Amir Omarkhanov (2-0) hard Almaty 56 min
  • 3rd Last Match: ❌ vs Alex de Minaur (0-2) hard Shanghai 94 min
  • 4th Last Match: ✅ vs Andrey Rublev (2-0) hard Shanghai 82 min
  • 5th Last Match: ✅ vs Marco Trungelliti (2-0) hard Shanghai 88 min

Karen Khachanov
❌ ✅ ✅ ❌ ✅

Head-to-Head (Last 2 Seasons)

0
Rei Sakamoto
vs
0
Karen Khachanov
Hard
0 - 0
Clay
0 - 0
Grass
0 - 0

Key Prediction Insights

Khachanov is favored at 66%, with Sakamoto at 34%, and the match is projected to total 24.7 games. Sakamoto’s two wins in Almaty make him a live underdog despite the gap in their rankings.

Match Analysis

Khachanov is ranked 25th, well ahead of Sakamoto at 124, and has the stronger hard-court profile. His recent results at higher tournament levels also tilt the comparison in his favor. Sakamoto has won twice in Almaty, including a three-set victory over Gabriel Diallo, but those matches have left him with 177 minutes on court while Khachanov has yet to play here. Sakamoto’s slightly better serve-and-return profile, along with the age advantage, gives him ways to challenge the favorite.

Total Games Predictions

🎾
Expected Total Games in Match 24.7 Most likely outcome: 24 games

📊 Total Games Probability Distribution

Distribution

Probability of each total games outcome

Cumulative Probability (CDF)

Probability of total games ≤ X

Games Spread Predictions

📈
Expected Games Spread (Rei Sakamoto - Karen Khachanov) -1.6 Most likely spread: -2 (Karen Khachanov wins 2 more games)

📊 Games Spread Probability Distribution

Distribution

Probability of each games spread outcome

Cumulative Probability (CDF)

Probability of spread ≤ X

Aces and Double Faults Predictions

Sakamoto is projected to hit 8.8 aces and 2.1 double faults, while Khachanov is projected for 7.8 aces and 2.1 double faults. Their serve profiles are nearly even, so neither has a clear serving advantage on this hard court.
🎯
Expected Total Aces 15.8 Most likely: 14 aces Per player: Rei Sakamoto 8.8 + Karen Khachanov 7.8
❌
Expected Total Double Faults 4.2 Most likely: 3 double faults Per player: Rei Sakamoto 2.1 + Karen Khachanov 2.1

🎯 Aces Probability Distribution

Distribution

Probability of each ace count outcome

Cumulative Probability (CDF)

Probability of aces ≤ X

🎯 Aces by Player

Rei Sakamoto

Expected 8.8 aces

Karen Khachanov

Expected 7.8 aces

❌ Double Faults Probability Distribution

Distribution

Probability of each double fault count outcome

Cumulative Probability (CDF)

Probability of double faults ≤ X

❌ Double Faults by Player

Rei Sakamoto

Expected 2.1 double faults

Karen Khachanov

Expected 2.1 double faults

Match Format Predictions

Tiebreak Likelihood

Probability that any tiebreak is played in this match

45.2% Predicted: No tiebreak

Exact Score Distribution BO3

Probability of each set-by-set outcome (Rei Sakamoto's perspective)

0-2 Most likely set score (37.7%)
New to probability charts? Learn how to interpret distribution and CDF curves

Final Prediction

Sakamoto’s serve and return could narrow the gap if he can put pressure on Khachanov’s service games. His accumulated court time is a concern, though, against a favorite who enters fresh.

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