Estoril Portugal Clay Atp 250 Semifinals

Alexander Blockx vs Luciano Darderi: AI Prediction | Games, Spread, Aces & Double Faults

Alexander Blockx

Rank: #38
48%
VS

Luciano Darderi

Rank: #21
52%
Expected Total Games: 24.5
Predicted Winner: Luciano Darderi

Why the Model Favors Luciano Darderi

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

Surface fit +4.7 Alexander Blockx
Serve & return game +3.0 Luciano Darderi
Recent record by level +2.0 Luciano Darderi
Overall strength +1.9 Luciano Darderi
Age +1.5 Alexander Blockx

Starting from an even matchup, these factors move the model to 52% for Luciano Darderi. Computed with gradient-based attribution on our neural network — not editorial opinion. How to read this →

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Player Metrics

Alexander Blockx

Form Index: 51.1
ELO Rating: 1820.5
Glicko2 Rating: 1835.0
Current Fatigue (minutes): 277.0
Surface Strength:
Hard: 13.5
Clay: 34.0
Grass: 5.8
Serve Rating: 96.8
Return Rating: 88.8

Luciano Darderi

Form Index: 49.4
ELO Rating: 1772.3
Glicko2 Rating: 1819.1
Current Fatigue (minutes): 210.0
Surface Strength:
Hard: 19.9
Clay: 34.1
Grass: 15.5
Serve Rating: 95.6
Return Rating: 87.4

Recent Matches

Alexander Blockx

Luciano Darderi

Head-to-Head (Last 2 Seasons)

0
Alexander Blockx
vs
0
Luciano Darderi
Hard
0 - 0
Clay
0 - 0
Grass
0 - 0

Key Prediction Insights

This semifinal in Estoril, Portugal is a clay-court matchup at an ATP 250-level event between Alexander Blockx and Luciano Darderi. The model narrowly favors Luciano Darderi to win (52.31%) over Alexander Blockx (47.69%), with a predicted total of about 24.49 games in the match.

Match Analysis

The model's edge for each player stems largely from surface fit favoring Blockx and a slightly stronger serve & return profile and recent results nudging the prediction toward Darderi. Surface fit contributes +4.7 percentage points to Blockx — his clay compatibility is stronger relative to baseline — but Darderi gains ground from serve & return (+3.0 pp), recent record by level (+2.0 pp) and overall strength (+1.9 pp), producing the slim overall advantage. Looking at the numbers, Blockx is ranked 38 with a form index of 51.07 and an Elo of 1820.5; he has spent 277 minutes on court this week (higher fatigue) and posts a surface strength index of 33.96. Darderi is ranked 21, form 49.44, Elo 1772.3, with 210 minutes played and a surface strength index of 34.09. Neither player shows a >5-point gap in mean serve (Blockx 96.85, Darderi 95.60) or mean return (Blockx 88.75, Darderi 87.40), so service/return extremes aren’t expected to dominate. Recent form: Blockx has won his last two matches in Estoril after a prior loss in Umag, while Darderi arrives on two straight wins in Estoril (including a straight-sets win over Pedro Martínez) after a loss to Rublev in Bastad.

Total Games Predictions

🎾
Expected Total Games in Match 24.5 Most likely outcome: 24 games

📊 Total Games Probability Distribution

Distribution

Probability of each total games outcome

Probability distribution chart for total games in Alexander Blockx versus Luciano Darderi. The X-axis shows possible total games values and the Y-axis shows the predicted probability percentage for each outcome.
Cumulative Probability (CDF)

Probability of total games ≤ X

Cumulative distribution function chart for total games in Alexander Blockx versus Luciano Darderi. The curve rises from 0% to 100%, showing the cumulative probability for each games total threshold.

Games Spread Predictions

📈
Expected Games Spread (Alexander Blockx - Luciano Darderi) -0.6 Most likely spread: -1 (Luciano Darderi wins 1 more games)

📊 Games Spread Probability Distribution

Distribution

Probability of each games spread outcome

Probability distribution chart for games spread in Alexander Blockx versus Luciano Darderi. Positive values indicate Alexander Blockx winning more games, negative values indicate Luciano Darderi winning more games.
Cumulative Probability (CDF)

Probability of spread ≤ X

Cumulative distribution function chart for games spread in Alexander Blockx versus Luciano Darderi. The curve shows the cumulative probability for each spread threshold.

Aces and Double Faults Predictions

The aces prediction is modest: the match has a predicted aces total of 11.33, fitting clay’s tendency to reduce free points. The predicted double faults are 4.61; on slower surfaces fatigue and longer rallies can lift the expected double faults. Neither player’s serve rating is significantly higher to change the predicted aces materially.
🎯
Expected Total Aces 11.3 Most likely: 11 aces
Expected Total Double Faults 4.6 Most likely: 4 double faults

🎯 Aces Probability Distribution

Distribution

Probability of each ace count outcome

Probability distribution chart for total aces in Alexander Blockx versus Luciano Darderi. Higher ace counts are more likely on faster surfaces like grass.
Cumulative Probability (CDF)

Probability of aces ≤ X

Cumulative distribution function chart for total aces in Alexander Blockx versus Luciano Darderi. The curve shows the cumulative probability for each aces threshold.

Double Faults Probability Distribution

Distribution

Probability of each double fault count outcome

Probability distribution chart for double faults in Alexander Blockx versus Luciano Darderi. Clay surface matches tend to produce more double faults due to fatigue in longer rallies.
Cumulative Probability (CDF)

Probability of double faults ≤ X

Cumulative distribution function chart for double faults in Alexander Blockx versus Luciano Darderi. The curve shows the cumulative probability for each double faults threshold.

🎯 Match Format Predictions

Tiebreak Likelihood

Probability that any tiebreak is played in this match

41.0% Predicted: No tiebreak

Exact Score Distribution BO3

Probability of each set-by-set outcome (Alexander Blockx's perspective)

0-2 Most likely set score (33.0%)
Probability distribution of the final set score from Alexander Blockx's perspective. Format: BO3.

Final Prediction

Darderi’s slight advantage comes mainly from serve & return efficiency and his recent results at this level, overcoming Blockx’s surface fit edge. Key factor to watch: which player withstands the physical grind — the clay-induced fatigue could decide tight service games.

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