Short Answer

The model assigns meaningfully lower odds (50.4%) than the market (63.0%) for Anastasia Potapova, the most likely outcome, suggesting the market may be overestimating her chances despite strong betting sentiment.

1. Market Behavior & Drivers

This market shows a decisive and rapid downward trend, indicating a dramatic shift in trader sentiment regarding Karolína Plíšková's chances of winning her match against Anastasia Potapova. The market opened on April 28 with Plíšková's probability of winning priced at 45.0%, suggesting she was a slight underdog. The price then experienced a catastrophic drop of 38 percentage points on April 29, plummeting from 40.0% to its current floor of 2.0%. This collapse represents the single most significant event in the market's history. While no specific news context is provided, a price drop of this magnitude on the day of the match almost certainly reflects the market reacting to the real-time outcome, pricing in a definitive loss for Plíšková.
The trading volume provides strong confirmation of the market's conviction behind this price movement. Initial trading was extremely light, with only a handful of contracts traded as the market opened. However, the volume surged to over 303,000 contracts concurrent with the price crash on April 29. This explosion in volume signifies that the sharp decline was not a result of a small, illiquid trade but rather a broad consensus among a large number of participants. The market established a clear floor at 2.0%, which is now acting as a support level, though it primarily reflects the near-certainty of the outcome rather than a technical trading level. Overall, the chart illustrates a complete reversal of sentiment, moving from slight pessimism to an overwhelming consensus that Plíšková would not win the match.
  • Sharp betting market shifted significantly, making Pliskova a stronger favorite.
  • Anastasia Potapova shows strong recent clay court performance, exceeding averages.
  • Karolina Pliskova maintains solid recent clay form, including serve and break points.
  • Pliskova and Potapova share an even 1-1 head-to-head career record.
  • Neither player has reported any physical issues leading into the match.

2. Price Chart

Historical Price (Probability)

Outcome probability
Date

3. Significant Price Movements

Notable price changes detected in the chart, along with research into what caused each movement.

📉 April 29, 2026: 38.0pp drop

Price decreased from 40.0% to 2.0%

Outcome: Karolina Pliskova

What happened: No supporting research available for this anomaly.

4. Market Data

Contract Snapshot

The market resolves to "Yes" if Anastasia Potapova wins the Pliskova vs Potapova 2026 WTA Madrid Quarterfinal match after a ball has been played. If Potapova does not win, including if she withdraws or forfeits after the match starts, it resolves to "No". Special conditions apply: if the match does not start, it resolves to a fair price; postponed matches remain open for up to two weeks; and the market closes by May 13, 2026, at 5:00 am EDT.

Market Discussion

Traders holding positions on Karolina Pliskova are actively debating whether to hold or sell their contracts, reflecting uncertainty about her prospects in the ongoing match. While some express a desire to hold their Pliskova bets, others explicitly advise selling, implying that Anastasia Potapova's current favorable odds (67%) make a Pliskova victory less likely or that previous gains should be locked in. The discussion highlights traders' real-time decision-making amid shifting match dynamics, with the market probabilities strongly favoring Potapova to win.

5. How Do Pliskova and Potapova's Recent Clay Performances Compare?

Pliskova 12-month Clay First Serve %62.4% [1]
Potapova 12-month Clay First Serve %61.2% [2]
Potapova Highest Recent BP Converted67% (vs Elena Rybakina) [3]
Karolina Pliskova's recent clay form shows solid first serve and break point conversion. Her last two recorded clay matches indicate a first serve percentage ranging from 61% to 67%, and break points converted between 40% and 50%. Specifically, against Solana Sierra on April 27, 2026, Pliskova achieved a 67% first serve and converted 40% of her break points [4]. In an earlier match on April 24, 2026, against Aliaksandra Sasnovich, she recorded a 61% first serve percentage and a 50% break point conversion rate [5]. These recent figures generally align with or slightly exceed her 12-month clay averages, which stand at 62.4% for first serve percentage and 39.8% for break points converted [1].
Anastasia Potapova exhibits strong recent clay performance, particularly in break points. Her recent clay court matches show a first serve percentage of 65-66% and high break point conversion rates from 40% to an impressive 67%. Against Elena Rybakina on April 27, 2026, Potapova delivered a 66% first serve percentage and converted 67% of her break points [3]. In a match against Shuai Zhang on April 24, 2026, she maintained a 65% first serve and converted 40% of her break points [6]. While Potapova also defeated Jelena Ostapenko on April 28, 2026, detailed performance metrics for this specific match were not available [7]. Her recent first serve percentages are notably higher than her 12-month clay average of 61.2%, and her break point conversion rates vary around her 12-month average of 44.9% [2].
Unforced error rates for both players remain unquantified by the research. The provided information does not include the unforced error rate for recent matches on clay for either Karolina Pliskova or Anastasia Potapova. Similarly, the 12-month average unforced error rates on clay for both players were not supplied in the research findings.
Sources (7)
  1. 1Karolina Pliskova - WTA Tennis Stats, Ranking, Career History, Analysistennisratio.com
  2. 2Anastasia Potapova - WTA Tennis Stats, Ranking, Career History, Analysistennisratio.com
  3. 3Anastasia Potapova vs. Elena Rybakina 27.04.2026 - Mutua Madrid Open - Madrid | TennisLive.comtennislive.net
  4. 4Karolina Pliskova vs. Solana Sierra 27.04.2026 - Mutua Madrid Open - Madrid | TennisLive.ustennislive.us
  5. 5Pliskova, Karolina - Sasnovich, Aliaksandra | Overview | StatsHubscores.sir.sportradar.com
  6. 6Anastasia Potapova vs. Shuai Zhang 24.04.2026 - Mutua Madrid Open - Madrid | TennisLive.comtennislive.net
  7. 7Potapova Defeats Ostapenko 4-6, 6-4, 6-4 – Madrid 2026 R32 | TennisMatchtennismattch.com

6. What Is the Head-to-Head Record Between Pliskova and Potapova?

Overall Head-to-Head Record1-1 [1]
Most Recent Match WinnerKarolina Pliskova (February 13, 2024) [1]
First Match WinnerAnastasia Potapova (June 13, 2023) [1]
Karolina Pliskova and Anastasia Potapova share an even 1-1 head-to-head record. They have faced each other twice in their professional careers, with each player securing one victory [1]. Both encounters occurred on surfaces generally considered fast-paced: one on a hard court and the other on grass [1]. There is currently no head-to-head data from slower court surfaces like clay, making it impossible to observe any differing patterns in their performance under such conditions [1].
Pliskova won their latest encounter on a hard court in a lengthy match. Their most recent professional meeting took place on February 13, 2024, at the Qatar TotalEnergies Open in Doha [1]. Contested on a hard court surface, Karolina Pliskova emerged victorious, defeating Anastasia Potapova with a final score of 6-1, 5-7, 6-4 [1]. This particular match lasted 2 hours and 1 minute [2].
Potapova secured victory in their initial grass court meeting with a decisive score. The first professional match between Pliskova and Potapova occurred on June 13, 2023, during the Nottingham Open [1]. Played on a grass court, Anastasia Potapova claimed the win over Pliskova with a score of 6-2, 7-6(5) [1]. That match concluded in 1 hour and 28 minutes [3].
Sources (3)
  1. 1Anastasia Potapova vs Karolina Pliskova H2H - Tennis Stats, Head to Head Matchestennisratio.com
  2. 2Karolina Pliskova vs. Anastasia Potapova 13.02.2024 - Qatar TotalEnergies Open - Doha | TennisLive.comtennislive.net
  3. 3Anastasia Potapova v Karolina Pliskova results, H2H stats | Tennis - Flashscoreflashscore.com

7. How Did Betting Lines Shift for Pliskova vs Potapova?

Pliskova Opening Moneyline-138 [1]
Pliskova Current Moneyline-155 [1]
Pliskova Moneyline Shift17 cents in her favor [1]
Karolina Pliskova's moneyline significantly shifted, making her a stronger favorite. For the upcoming match against Anastasia Potapova on April 29, 2026, Karolina Pliskova's opening odds at a sharp sportsbook were -138, which later shortened to -155. Conversely, Anastasia Potapova's odds moved from an opening of +117 to +128 [1]. This constitutes a 17-cent shift in Pliskova's favor and an 11-cent shift for Potapova, clearly indicating Pliskova has become a stronger market favorite [1].
Professional syndicates likely drove these significant moneyline shifts. Such substantial movements in sharp sportsbook odds typically suggest considerable betting volume, frequently attributed to professional syndicates [2]. The shift in favor of Pliskova indicates substantial financial backing on her to win. Sportsbooks adjust their odds to balance their books and accurately reflect updated market probabilities, although specific betting volume data from professional syndicates remains proprietary [2].
Sources (2)
  1. 1WTA Odds & Betting Lines - Women's Tennis | OddsTraderoddstrader.com
  2. 2Pinnaclepinnacle.com

8. What Was Pliskova and Potapova's On-Court Time Before Their Match?

Karolina Pliskova On-Court Time2 hours and 4 minutes [1]
Anastasia Potapova Known On-Court Time1 hour and 22 minutes [2]
Previous Round Physical TaxNeither player's previous match was physically taxing [1]
Karolina Pliskova accumulated 2 hours and 4 minutes of on-court time leading into her April 29, 2026 match against Anastasia Potapova. This duration is derived from her most recent match for which specific time data is available: a three-set victory over Elise Mertens on April 26, 2026, with scores of 6-3, 3-6, 6-3 [1]. While Pliskova may have participated in earlier rounds of the Mutua Madrid Open 2026, such as against Kraus [3], the durations for these potential prior encounters are not provided in the available sources. Her match against Mertens, lasting 2 hours and 4 minutes, though a three-set contest, did not exceed the 2.5-hour threshold, suggesting it was not a physically taxing match based on the specified criteria [1].
Anastasia Potapova's known on-court time totaled 1 hour and 22 minutes prior to the April 29, 2026 match. This figure stems from her previous match against Elena Rybakina on April 27, 2026, which Potapova won in straight sets, 6-4, 6-3 [2]. Potapova also played an earlier match in the tournament, defeating Jelena Ostapenko 4-6, 6-4, 6-4 in the Round of 32 [4]. However, the specific duration for this three-set match is not provided in the available sources, preventing its inclusion in a comprehensive total on-court time calculation [4]. Potapova's most recent match against Rybakina, at 1 hour and 22 minutes and two sets, does not meet the established criteria of being physically taxing (>2.5 hours, three sets) [2].
Neither player faces a significant fatigue disadvantage from recent matches. Based on the documented on-court times and the criteria for physically taxing matches, neither Karolina Pliskova nor Anastasia Potapova appears to have a notable fatigue disadvantage leading into their match. The most recent recorded match for each player did not exceed the 2.5-hour threshold [1].
Sources (4)
  1. 1Tennis. Elise Mertens - Karolina Pliskova - result and match statistics, online - Live-Result.Com - April 26, 2026live-result.com
  2. 2Anastasia Potapova vs. Elena Rybakina 27.04.2026 - Mutua Madrid Open - Madrid | TennisLive.comtennislive.net
  3. 3Pliskova vs. Kraus | Round of 128 Mutua Madrid Open 2026 | WTA Officialwtatennis.com
  4. 4Potapova Defeats Ostapenko 4-6, 6-4, 6-4 – Madrid 2026 R32 | TennisMatchtennismattch.com

9. Are Pliskova and Potapova Facing Undisclosed Physical Issues?

Reported Physical IssuesNone observed for either player [1]
Karolina Pliskova's FormStrong return, reached quarterfinals [1]
Anastasia Potapova's CampaignMiraculous Madrid Open run as lucky loser [2]
No physical issues are indicated for Pliskova or Potapova from available reports. On-site tennis journalists and credible beat reporters have not noted any visible taping, strapping, or last-minute withdrawals that would suggest previously undisclosed physical concerns for either Karolina Pliskova or Anastasia Potapova [1]. Both players are reportedly in strong form heading into their quarterfinal match at the Mutua Madrid Open [1].
Karolina Pliskova demonstrates strong form and competitive readiness heading into the quarterfinals. Her current performance highlights a significant return to form, culminating in her reaching the quarterfinals and establishing a new record for the most WTA 1000 quarter-finals achieved by an unseeded player [3]. Throughout the tournament, her progress and results consistently indicate excellent physical condition with no reported limitations [1].
Anastasia Potapova exhibits excellent physical condition through her impressive run. Her "miraculous Madrid Open campaign" began with her entering the tournament as a lucky loser, subsequently defeating several highly ranked opponents [2]. This remarkable performance further underscores her competitive readiness and robust physical state [2]. Crucially, neither Pliskova nor Potapova appear on any lists of players who have withdrawn or retired from the tournament due to illness or injury [4].
Sources (4)
  1. 1Wednesday quarterfinal preview: Kostyuk and Noskova test their form in a top 25 duelwtatennis.com
  2. 2Tennis, WTA – Mutua Madrid Open 2026: Potapova sees off Rybakina - Tennis Majorstennismajors.com
  3. 3History for Karolina: Pliskova clinches quarter-final spot and a Madrid Open record - Yahoo Sportssports.yahoo.com
  4. 4Keys, Tauson latest to withdraw from Madrid Openwtatennis.com

11. Related News

-38.0pp
Last updated: April 29, 2026, 12:34 UTC

Potapova's Win Probability Surges Past 65% in Madrid Open Market

Implied probabilities for the WTA Madrid Open quarterfinal match shifted dramatically on Wednesday, April 29, 2026, with traders heavily favoring Anastasia Potapova. The market saw a significant repri...

12. Historical Resolutions

Historical Resolutions: 20 markets in this series

Outcomes: 10 resolved YES, 10 resolved NO

Recent resolutions:

  • KXWTAMATCH-26APR28FERAND-FER: NO (Apr 28, 2026)
  • KXWTAMATCH-26APR28FERAND-AND: YES (Apr 28, 2026)
  • KXWTAMATCH-26APR28SABBAP-SAB: NO (Apr 28, 2026)
  • KXWTAMATCH-26APR28SABBAP-BAP: YES (Apr 28, 2026)
  • KXWTAMATCH-26APR27POTRYB-RYB: NO (Apr 27, 2026)