Cincinnati OH, U.S.A. Hard Masters 1000 Round of 64

Quentin Halys vs Alex de Minaur: AI Prediction | Games, Spread, Aces & Double Faults

Quentin Halys

Rank: #54
38%
VS

Alex de Minaur

Rank: #7
62%
Expected Total Games: 24.2
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 +7.5 Alex de Minaur
Overall strength +4.5 Alex de Minaur
Recent form +4.4 Quentin Halys
Serve & return game +3.5 Quentin Halys
Surface fit +3.3 Alex de Minaur

Starting from an even matchup, these factors move the model to 62% 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

Quentin Halys

  • Current #54 2026-08-03
  • 3 mo ago #93 2026-05-04
  • 6 mo ago #77 2026-02-09
  • 9 mo ago #90 2025-11-10
  • 12 mo ago #70 2025-08-18

Alex de Minaur

  • Current #7 2026-08-03
  • 3 mo ago #8 2026-05-04
  • 6 mo ago #8 2026-02-09
  • 9 mo ago #7 2025-11-10
  • 12 mo ago #8 2025-08-18

Player Metrics

Quentin Halys

Form Index: 71.2
ELO Rating: 1794.0
Glicko2 Rating: 1761.2
Current Fatigue (minutes): 335.0
Surface Strength:
Hard: 30.6
Clay: 28.1
Grass: 5.4
Serve Rating: 97.3
Return Rating: 84.8

Alex de Minaur

Form Index: 40.4
ELO Rating: 1781.6
Glicko2 Rating: 1870.1
Current Fatigue (minutes): 0.0
Surface Strength:
Hard: 35.8
Clay: 31.2
Grass: 36.3
Serve Rating: 95.7
Return Rating: 89.9

Recent Matches

Quentin Halys
✅ ✅ ✅ ✅ ✅

Alex de Minaur
❌ ✅ ❌ ✅ ✅

  • Last Match: ❌ vs Cameron Norrie (1-2) hard Toronto 172 min
  • 2nd Last Match: ✅ vs James Duckworth (2-0) hard Toronto 106 min
  • 3rd Last Match: ❌ vs Brandon Nakashima (0-2) hard Washington 114 min
  • 4th Last Match: ✅ vs Cruz Hewitt (2-0) hard Washington 60 min
  • 5th Last Match: ✅ vs Stefanos Tsitsipas (2-1) hard Washington 120 min

Head-to-Head (Last 2 Seasons)

0
Quentin Halys
vs
0
Alex de Minaur
Hard
0 - 0
Clay
0 - 0
Grass
0 - 0

Key Prediction Insights

At the Cincinnati Masters in Ohio, Round of 64 on hard courts, Alex de Minaur is favored to beat Quentin Halys. The model gives de Minaur a 62.06% chance to win against Halys at 37.94%. The match is projected to be relatively short, with an expected total of 24.23 games.

Match Analysis

The model's edge for Alex de Minaur comes mainly from his recent record by level and his overall strength, while Quentin Halys gains credit from recent form and serve and return metrics. De Minaur benefits from a higher tournament seed and ranking. He is ranked 7, with an Elo of 1781.6 and a surface strength index of 35.85. Halys is ranked 54, with a slightly higher Elo of 1794.0 but a lower surface strength index of 30.64. Halys arrives with accumulated fatigue from Cincinnati matches, logging 335 minutes on court. De Minaur has 0 minutes of fatigue in this event. Both players bring strong serving and returning numbers. Halys posts a mean serve index of 97.35 and a mean return index of 84.80. De Minaur posts a mean serve index of 95.71 and a mean return index of 89.89. The mean return gap favors de Minaur by just over 5 points, which could tip key return games in his direction. Over the last three matches Halys is riding a three-match winning streak at Cincinnati, including straight set wins and a three-set win over Soonwoo Kwon. De Minaur has been patchy in recent outings, with one win and two losses in his last three matches, including a long three-set defeat in Toronto.

Total Games Predictions

🎾
Expected Total Games in Match 24.2 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 (Quentin Halys - Alex de Minaur) -2.2 Most likely spread: -3 (Alex de Minaur wins 3 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

The aces prediction for this hard court match is moderate, with predicted aces at 15.78 for the match. Hard courts typically yield a balanced ace count, so the predicted aces reflect that surface context. The double faults prediction is 7.21 expected double faults in total, which is in line with two aggressive servers posting occasional misses. Neither player has a dramatically superior serve index, so the predicted aces are driven by both players contributing rather than one dominant big server.
🎯
Expected Total Aces 15.8 Most likely: 15 aces
❌
Expected Total Double Faults 7.2 Most likely: 7 double faults

🎯 Aces Probability Distribution

Distribution

Probability of each ace count outcome

Cumulative Probability (CDF)

Probability of aces ≤ X

❌ Double Faults Probability Distribution

Distribution

Probability of each double fault count outcome

Cumulative Probability (CDF)

Probability of double faults ≤ X

🎯 Match Format Predictions

Tiebreak Likelihood

Probability that any tiebreak is played in this match

43.4% Predicted: No tiebreak

Exact Score Distribution BO3

Probability of each set-by-set outcome (Quentin Halys's perspective)

0-2 Most likely set score (38.3%)
New to probability charts? Learn how to interpret distribution and CDF curves

Final Prediction

De Minaur’s advantage is driven primarily by recent record by level and overall strength, paired with a superior return profile on hard courts. The key factor to watch will be de Minaur’s returns early in service games, especially given Halys’ recent time on court and the narrow serve-return margins.

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