Athens Athens, GRE Hard Wta 250 Quarterfinals

Tereza Valentova vs Alina Korneeva: AI Prediction | Games, Spread, Aces & Double Faults

Tereza Valentova

Rank: #54
53%
VS

Alina Korneeva

Rank: #98
47%
Expected Total Games: 22.1
Predicted Winner: Tereza Valentova

Why the Model Favors Tereza Valentova

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

Recent form +2.8 Alina Korneeva
Surface fit +2.6 Tereza Valentova
Overall strength +1.3 Tereza Valentova
Serve & return game +0.6 Alina Korneeva

Starting from an even matchup, these factors move the model to 53% for Tereza Valentova. Computed with gradient-based attribution on our neural network — not editorial opinion. How to read this →

Also available in Claude. Query these predictions in plain language — our native connector lets Claude call our models on demand, no code.

Set it up

Player Metrics

Tereza Valentova

Form Index: 24.6
ELO Rating: 1622.8
Glicko2 Rating: 1709.5
Current Fatigue (minutes): 160.0
Surface Strength:
Hard: 35.6
Clay: 16.6
Grass: 13.1
Serve Rating: 95.4
Return Rating: 94.4

Alina Korneeva

Form Index: 40.0
ELO Rating: 1597.7
Glicko2 Rating: 1713.2
Current Fatigue (minutes): 121.0
Surface Strength:
Hard: 20.3
Clay: 17.9
Grass: 5.5
Serve Rating: 95.6
Return Rating: 90.2

Recent Matches

Tereza Valentova

  • Last Match: vs Aliaksandra Sasnovich (2-0) hard Athens 77 min
  • 2nd Last Match: vs Sofia Costoulas (2-0) hard Athens 83 min
  • 3rd Last Match: vs Karolina Pliskova (0-2) grass Wimbledon 120 min
  • 4th Last Match: vs Tatjana Maria (0-2) grass Eastbourne 98 min
  • 5th Last Match: vs Ajla Tomljanovic (2-1) grass Eastbourne 148 min

Alina Korneeva

  • Last Match: vs Ann Li (2-0) hard Athens 66 min
  • 2nd Last Match: vs Aoi Ito (2-0) hard Athens 55 min
  • 3rd Last Match: vs Kimberly Birrell (1-2) grass Wimbledon 120 min
  • 4th Last Match: vs Anna Kalinskaya (0-2) clay Roland Garros 120 min
  • 5th Last Match: vs Elisabetta Cocciaretto (2-0) clay Roland Garros 120 min

Head-to-Head (Last 2 Seasons)

0
Tereza Valentova
vs
0
Alina Korneeva
Hard
0 - 0
Clay
0 - 0
Grass
0 - 0

Key Prediction Insights

Quarterfinals in Athens (hard court, WTA 250) brings Tereza Valentova against Alina Korneeva in what promises to be a close, tactical match on a medium-paced hard surface. The model gives Valentova the nod: 52.68% chance to win versus 47.32% for Korneeva, with a predicted total of 22.14 games in the match.

Match Analysis

The model’s edge for Valentova rests primarily on surface fit and a small overall-strength advantage, which together just outweigh Korneeva’s superior recent form. Valentova (rank 54) carries a higher Elo (1622.8) than Korneeva (rank 98, Elo 1597.7), and her surface strength index on hard (35.6) is notably higher than Korneeva’s (20.3), supporting the model’s tilt toward Valentova. Korneeva’s form index (39.99) is stronger than Valentova’s (24.61), and that recent momentum accounts for the single largest factor pushing probability toward Korneeva. Both players bring similar serving profiles: mean serve indices are nearly identical (Valentova 95.37, Korneeva 95.58), and neither holds a clear serve-power edge. Valentova’s mean return index (94.42) is marginally ahead of Korneeva’s (90.20), which helps explain the projection for fewer service-dominated games. Fatigue is a factor — Valentova has logged 160 minutes in Athens versus Korneeva’s 121 — potentially softening Valentova’s advantage late in rallies. Over their last three matches each, both have two straight-set wins in Athens and a long, 120-minute loss at Wimbledon, indicating recent resilience but differing trajectories: Korneeva’s on-form run in this event versus Valentova’s stronger track record on hard courts.

Total Games Predictions

🎾
Expected Total Games in Match 22.1 Most likely outcome: 22 games

📊 Total Games Probability Distribution

Distribution

Probability of each total games outcome

Probability distribution chart for total games in Tereza Valentova versus Alina Korneeva. 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 Tereza Valentova versus Alina Korneeva. The curve rises from 0% to 100%, showing the cumulative probability for each games total threshold.

Games Spread Predictions

📈
Expected Games Spread (Tereza Valentova - Alina Korneeva) 0.0 Most likely spread: 0 (even number of games won)

📊 Games Spread Probability Distribution

Distribution

Probability of each games spread outcome

Probability distribution chart for games spread in Tereza Valentova versus Alina Korneeva. Positive values indicate Tereza Valentova winning more games, negative values indicate Alina Korneeva winning more games.
Cumulative Probability (CDF)

Probability of spread ≤ X

Cumulative distribution function chart for games spread in Tereza Valentova versus Alina Korneeva. The curve shows the cumulative probability for each spread threshold.

Aces and Double Faults Predictions

The aces prediction for the tie is low: predicted aces = 3.31 for the match, reflecting the medium-paced hard court which produces a moderate ace count. The double faults prediction (expected double faults = 7.31) is comparatively high, suggesting both players can be inconsistent under pressure. With nearly identical serve ratings, no single player is expected to drive up the predicted aces significantly.
🎯
Expected Total Aces 3.3 Most likely: 3 aces
Expected Total Double Faults 7.3 Most likely: 7 double faults

🎯 Aces Probability Distribution

Distribution

Probability of each ace count outcome

Probability distribution chart for total aces in Tereza Valentova versus Alina Korneeva. 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 Tereza Valentova versus Alina Korneeva. 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 Tereza Valentova versus Alina Korneeva. 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 Tereza Valentova versus Alina Korneeva. 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

20.6% Predicted: No tiebreak

Exact Score Distribution BO3

Probability of each set-by-set outcome (Tereza Valentova's perspective)

0-2 Most likely set score (32.8%)
Probability distribution of the final set score from Tereza Valentova's perspective. Format: BO3.

Final Prediction

Valentova’s projected edge is driven most by her better fit to the Athens hard courts (surface fit) and a small overall-strength advantage. The key factor to watch will be how fatigue and return quality influence late-game hold/break chances — if Valentova’s returns stay sharp she should convert the narrow edge into straight-set control.

Get Daily Tennis Predictions

Enjoyed this analysis? Subscribe to our Telegram channel and receive daily AI-driven tennis predictions directly on your phone.

Join Our Telegram Channel