TOTAL VOLUME:

$67.1b

24H VOL:

$301,578,131

24H TRANSACTIONS:

640,309,855

OPEN INTEREST:

$1,376,179,535

624,669

Markets across

13,794

events

MATCHED EVENTS:

1,207

PLATFORM COVERAGE:

4

Polymarket:

49%

VS.

Kalshi:

51%

BETA
polymarket
kalshi

Libema Open: Daniil Medvedev vs Marin Cilic? Odds & Prediction Markets

Volume:
$43,426
PredictionHero
Libema Open: Daniil Medvedev vs Marin Cilic 100%
polymarket
Libema Open: Daniil Medvedev vs Marin Cilic Total Sets: O/U 2.5 100%
polymarket
Libema Open: Daniil Medvedev vs Marin Cilic Set 1 Winner 100%
polymarket
Jun 12Jun 12Jun 13Jun 13Jun 13Jun 13Jun 13Jun 13Jun 13Jun 13Jun 13Jun 13Jun 13Jun 13Jun 13Jun 16020406080100

Closed: Jun 20, 6:30 AM EST

polymarket

Polymarket

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Intro

This market tracks the total number of sets played in the professional tennis quarterfinal between Daniil Medvedev and Marin Cilic at the 2026 ATP Libema Open in S-Hertogenbosch. The aggregated consensus across Polymarket and Kalshi shows 100.0% probability for the over 2.5 sets outcome. Resolution will be determined by official ATP Tour records. Watch for the match scheduled on June 13, 2026 at 6:30 AM ET, as early retirements or defaults could affect set completion and trigger divergent resolutions across platforms.

PredictionHero - Resolution Divergence Alerts (RDA)

Divergence Detected

Issue:

Kalshi's single market conflates match winner with match completion, resolving Yes for any outcome after play begins. Polymarket offers two separate markets with different scopes: a winner market that resolves to the advancing player (including incomplete matches with retirement/default), and a completion market that resolves No for any forfeit.

Hero Tip:

If trading Polymarket, clarify which market you are in: the winner market rewards the advancing player even if the match is incomplete due to opponent withdrawal, while the completion market penalizes any forfeit. Kalshi traders should note that retirement/default scenarios resolve Yes, not No. For canonical match winner determination, both platforms defer to ATP Tour official records.

Critical Divergence Points:

  • Kalshi:

    Single binary market resolves Yes if either player wins after a ball has been played. Treats retirement, default, and normal completion identically as long as play has begun. No distinction between completed and incomplete matches.
  • Polymarket:

    Two separate markets: (1) Winner market resolves to advancing player if match begins but incomplete due to retirement/default/disqualification; (2) Completion market resolves No if any forfeit occurs, including retirement or walkover. Walkover (pre-match withdrawal) resolves 50-50 in winner market, No in completion market.
Our PredictionHero Resolution Divergence Alerts (RDA) are there to help users identify potential differences across platforms. They do not replace or supersede the official rules and description of any prediction market. Users are solely responsible for reviewing and understanding the applicable rules and resolution criteria before placing any trade or bet. If you notice a potential inconsistency, discrepancy, or error in an alert, please report it to our team so we can review and improve the accuracy of our data.

Polymarket

This market refers to the tennis match between Daniil Medvedev and Marin Cilic in the Libema Open, originally scheduled for June 13, 2026 at 6:30AM ET. This market will resolve to 'Daniil Medvedev' if Daniil Medvedev advances against Marin Cilic. This market will resolve to 'Marin Cilic' if Marin Cilic advances against Daniil Medvedev. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.

Kalshi

This event resolves based on the result of the Medvedev vs Cilic professional tennis match in the 2026 ATP S-Hertogenbosch Quarterfinal, contingent upon a ball being played to officially commence the match. If the match fails to occur before play begins due to injury, walkover, forfeiture, or other cancellation, the market will resolve to a fair price per standard rules. Should the match be postponed or delayed, the market remains open and will close following the rescheduled match completion within a two-week window.

Frequently asked questions

This dashboard aggregates prediction market data on the Medvedev vs Cilic tennis match across Kalshi and Polymarket, allowing you to monitor real-time consensus on the match outcome. Traders on both platforms continuously price their beliefs, and the dashboard surfaces the leading probability estimate alongside trading activity. By tracking this market across multiple venues, you gain visibility into how professional and retail predictors are positioning themselves ahead of the event, with Kalshi currently showing 99.0% conviction on the top outcome.

Prediction markets and sportsbooks price events differently. Sportsbooks set odds to balance liability and extract margin, while prediction markets aggregate trader beliefs through continuous order flow. Prediction market prices often reflect sharper, more granular information because traders have direct financial incentive to identify mispricings. For this match, comparing the prediction market consensus to major sportsbook lines can reveal where public perception diverges from market-derived probability, helping you spot value or validate your own view.

Kalshi and Polymarket can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Both platforms host the same underlying event, but differences in user base, liquidity depth, fee structures, and settlement mechanics can create temporary price gaps. Kalshi and Polymarket attract distinct trader demographics and may have varying levels of confidence in the match outcome based on their respective order books. These spreads typically narrow as the event approaches, but arbitrage opportunities can exist in the interim. Monitoring both venues helps you identify the most favorable entry point for your prediction.

This market resolves around , with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the actual match conclusion—whether Medvedev or Cilic prevails—as documented by official tournament records and major sports news sources. Resolution typically occurs shortly after the match concludes, allowing traders to settle positions promptly. Check the platform's event details for any specific timing or contingency rules that may apply.

Several factors may shift trader positioning before the match. Player injury reports, recent form and head-to-head records, court surface conditions, and pre-match statements can all influence market prices. Tournament draw changes, weather delays, or unexpected withdrawals would also trigger repricing. Additionally, if either player competes in a preceding round and performs notably well or poorly, sentiment may swing. Real-time news flow and social media discussion among professional bettors often precede measurable price moves, so monitoring those channels alongside this market can help you anticipate shifts.

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