Shanghai China Hard Masters 1000 Round of 32

Alex de Minaur vs Rei Sakamoto Prediction

Alex de Minaur

Rank: #9
70%
VS

Rei Sakamoto

Rank: #137
30%
Expected Total Games: 23.9
Predicted Winner: Alex de Minaur

Why the Model Favors Alex de Minaur

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

Recent record by level +9.8 Alex de Minaur
Overall strength +7.6 Alex de Minaur
Surface fit +5.3 Alex de Minaur
Age +3.4 Rei Sakamoto
Overall record & opposition quality +2.1 Alex de Minaur

Starting from an even matchup, these factors move the model to 70% for Alex de Minaur. Computed with gradient-based attribution on our neural network, not editorial opinion. How to read this →

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Ranking Trends

Alex de Minaur

  • Current #9 2026-10-05
  • 3 mo ago #6 2026-06-29
  • 6 mo ago #6 2026-04-06
  • 9 mo ago #6 2026-01-05
  • 12 mo ago #7 2025-09-29

Rei Sakamoto

  • Current #137 2026-10-05
  • 3 mo ago #150 2026-06-29
  • 6 mo ago #165 2026-04-06
  • 9 mo ago #200 2026-01-05
  • 12 mo ago #188 2025-09-29

Player Metrics

Alex de Minaur

Form Index: 51.0
ELO Rating: 1863.8
Glicko2 Rating: 1893.4
Current Fatigue (minutes): 0.0
Surface Strength:
Hard: 39.6
Clay: 31.2
Grass: 36.3
Serve Rating: 96.4
Return Rating: 91.6

Rei Sakamoto

Form Index: 72.7
ELO Rating: 1760.5
Glicko2 Rating: 1723.9
Current Fatigue (minutes): 422.0
Surface Strength:
Hard: 31.4
Clay: 8.8
Grass: 10.1
Serve Rating: 95.4
Return Rating: 85.8

Recent Matches

Alex de Minaur
✅ ✅ ✅ ✅ ❌

Rei Sakamoto
✅ ✅ ✅ ✅ ❌

  • Last Match: ✅ vs Andrey Rublev (2-0) hard Shanghai 82 min
  • 2nd Last Match: ✅ vs Marco Trungelliti (2-0) hard Shanghai 88 min
  • 3rd Last Match: ✅ vs Kyrian Jacquet (2-1) hard Shanghai 166 min
  • 4th Last Match: ✅ vs Seongchan Hong (2-0) hard Shanghai 86 min
  • 5th Last Match: ❌ vs Matteo Arnaldi (1-2) hard Tokio 128 min

Head-to-Head (Last 2 Seasons)

0
Alex de Minaur
vs
0
Rei Sakamoto
Hard
0 - 0
Clay
0 - 0
Grass
0 - 0

Key Prediction Insights

Alex de Minaur is favoured at 70% to Rei Sakamoto’s 30%, a clear but not overwhelming advantage. The Round of 32 match in Shanghai is projected to last 23.9 games.

Match Analysis

De Minaur’s recent hard-court run and stronger overall level underpin his advantage. He has won his last three matches, including against Andrey Rublev in Beijing, and is ranked ninth to Sakamoto’s 137th. He also has the stronger return, a useful asset against an opponent whose serving could produce more aces. Sakamoto arrives with an impressive win over Rublev in Shanghai, but the forecast favours De Minaur’s more established level on hard courts. The workload is another contrast: Sakamoto has spent 422 minutes on court in the tournament, while De Minaur has yet to accumulate tournament fatigue.

Total Games Predictions

🎾
Expected Total Games in Match 23.9 Most likely outcome: 23 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 (Alex de Minaur - Rei Sakamoto) +2.2 Most likely spread: +2 (Alex de Minaur 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 6.8 aces and 2.1 double faults, compared with 4.8 aces and 2.4 double faults for De Minaur. Their serve ratings are similar, but De Minaur’s stronger return could limit the impact of Sakamoto’s expected ace advantage on this hard court.
🎯
Expected Total Aces 11.5 Most likely: 9 aces Per player: Alex de Minaur 4.8 + Rei Sakamoto 6.8
❌
Expected Total Double Faults 4.5 Most likely: 3 double faults Per player: Alex de Minaur 2.4 + Rei Sakamoto 2.1

🎯 Aces Probability Distribution

Distribution

Probability of each ace count outcome

Cumulative Probability (CDF)

Probability of aces ≤ X

🎯 Aces by Player

Alex de Minaur

Expected 4.8 aces

Rei Sakamoto

Expected 6.8 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

Alex de Minaur

Expected 2.4 double faults

Rei Sakamoto

Expected 2.1 double faults

Match Format Predictions

Tiebreak Likelihood

Probability that any tiebreak is played in this match

39.8% Predicted: No tiebreak

Exact Score Distribution BO3

Probability of each set-by-set outcome (Alex de Minaur's perspective)

2-0 Most likely set score (43.0%)
New to probability charts? Learn how to interpret distribution and CDF curves

Final Prediction

Sakamoto’s straight-set win over Rublev is the clearest reason to doubt the forecast. If he brings that level again and makes his projected ace advantage count, he can put De Minaur under pressure.

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