Iasi Iasi, ROU Clay Wta 250 Semifinals

Anna Bondar vs Tamara Zidansek: AI Prediction | Games, Spread, Aces & Double Faults

Anna Bondar

Rank: #74
80%
VS

Tamara Zidansek

Rank: #131
20%
Expected Total Games: 20.5
Predicted Winner: Anna Bondar

Why the Model Favors Anna Bondar

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

Recent record by level +8.0 Anna Bondar
Recent form +5.6 Anna Bondar
Serve & return game +5.4 Anna Bondar
Overall record & opposition quality +4.7 Anna Bondar
Surface fit +3.1 Anna Bondar

Starting from an even matchup, these factors move the model to 80% for Anna Bondar. 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

Anna Bondar

Form Index: 20.6
ELO Rating: 1598.3
Glicko2 Rating: 1650.9
Current Fatigue (minutes): 129.0
Surface Strength:
Hard: 17.0
Clay: 31.5
Grass: 7.9
Serve Rating: 96.4
Return Rating: 90.4

Tamara Zidansek

Form Index: 32.3
ELO Rating: 1562.1
Glicko2 Rating: 1643.3
Current Fatigue (minutes): 146.0
Surface Strength:
Hard: 14.3
Clay: 15.1
Grass: 10.7
Serve Rating: 93.5
Return Rating: 84.3

Recent Matches

Anna Bondar

  • Last Match: vs Sara Sorribes Tormo (2-0) clay Iasi 129 min
  • 2nd Last Match: vs Solana Sierra (1-2) grass Wimbledon 120 min
  • 3rd Last Match: vs Panna Udvardy (0-1) grass Eastbourne 79 min
  • 4th Last Match: vs Emma Navarro (1-2) grass Nottingham 137 min
  • 5th Last Match: vs Anna Blinkova (1-2) grass Nottingham 130 min

Tamara Zidansek

  • Last Match: vs Emiliana Arango (2-1) clay Iasi 146 min
  • 2nd Last Match: vs Sorana Cirstea (0-2) hard Cluj Napoca 53 min
  • 3rd Last Match: vs Veronika Erjavec (2-0) hard Cluj Napoca 81 min
  • 4th Last Match: vs Lucrezia Stefanini (1-2) hard Cluj Napoca 139 min
  • 5th Last Match: vs Ekaterine Gorgodze (2-1) hard Cluj Napoca 140 min

Head-to-Head (Last 2 Seasons)

0
Anna Bondar
vs
0
Tamara Zidansek
Hard
0 - 0
Clay
0 - 0
Grass
0 - 0

Key Prediction Insights

This semifinal in Iasi (clay, WTA 250) pitches Anna Bondar against Tamara Zidansek for a place in the final. The model strongly favors Bondar to win (79.55% vs 20.45%) and expects a low-scoring match of about 20.49 games in total.

Match Analysis

The model's edge for Bondar comes mainly from her recent record by level and short-term form, supported by serve/return metrics and surface fit. Bondar (rank 74, Elo 1598.31) arrives with a slightly lower cumulative fatigue (129 minutes) than Zidansek (rank 131, Elo 1562.07, 146 minutes), and a notably stronger clay profile (surface strength 31.54 vs 15.06). That surface fit is meaningful on slow, high-bounce courts where consistency and movement matter. The model also credits Bondar's serve & return package; her mean return index (90.39) is more than 6 points higher than Zidansek's (84.32), which should translate into greater pressure on Zidansek's service games. Looking at season and recent form numbers, Bondar's proprietary form index is 20.62 versus Zidansek's 32.27, yet the explainability outputs still favor Bondar on recent form and recent record by level — reflecting her straight-sets win in Iasi over Sara Sorribes Tormo and the quality of opponents she has beaten at this tournament. Zidansek has shown match toughness (two wins in her last three, including a 146-minute three-set in Iasi), but her lower surface strength and slightly inferior Elo work against her here. Serve indices are close (Bondar 96.41, Zidansek 93.48) so no huge serving advantage is expected.

Total Games Predictions

🎾
Expected Total Games in Match 20.5 Most likely outcome: 20 games

📊 Total Games Probability Distribution

Distribution

Probability of each total games outcome

Probability distribution chart for total games in Anna Bondar versus Tamara Zidansek. 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 Anna Bondar versus Tamara Zidansek. The curve rises from 0% to 100%, showing the cumulative probability for each games total threshold.

Games Spread Predictions

📈
Expected Games Spread (Anna Bondar - Tamara Zidansek) +3.3 Most likely spread: +3 (Anna Bondar wins 3 more games)

📊 Games Spread Probability Distribution

Distribution

Probability of each games spread outcome

Probability distribution chart for games spread in Anna Bondar versus Tamara Zidansek. Positive values indicate Anna Bondar winning more games, negative values indicate Tamara Zidansek winning more games.
Cumulative Probability (CDF)

Probability of spread ≤ X

Cumulative distribution function chart for games spread in Anna Bondar versus Tamara Zidansek. The curve shows the cumulative probability for each spread threshold.

Aces and Double Faults Predictions

The aces prediction for the match is low: predicted aces ≈ 2.94 for the fixture, while the double faults prediction is higher, with expected double faults ≈ 5.45. On clay, fewer aces are typical because the slower surface reduces free points, and expected double faults can rise as rallies and pressure lengthen. With serves fairly close between the two, there’s no single big-server likely to dramatically inflate the predicted aces.
🎯
Expected Total Aces 2.9 Most likely: 2 aces
Expected Total Double Faults 5.5 Most likely: 5 double faults

🎯 Aces Probability Distribution

Distribution

Probability of each ace count outcome

Probability distribution chart for total aces in Anna Bondar versus Tamara Zidansek. 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 Anna Bondar versus Tamara Zidansek. 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 Anna Bondar versus Tamara Zidansek. 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 Anna Bondar versus Tamara Zidansek. 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

30.2% Predicted: No tiebreak

Exact Score Distribution BO3

Probability of each set-by-set outcome (Anna Bondar's perspective)

2-0 Most likely set score (55.7%)
Probability distribution of the final set score from Anna Bondar's perspective. Format: BO3.

Final Prediction

Bondar’s projected edge is driven primarily by recent record by level and better serve/return balance—particularly her superior return index on clay. A key factor to watch is how effectively Bondar converts return pressure into breaks early; if she does, the low total-games projection will likely play out.

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