Resolution criteria on PolyGram: This market refers to the doubles tennis match between Huergo/Korpatsch and Mertens/Zhang in the Roland Garros WTA, originally scheduled for May 30, 2026 at 5:00AM ET. This market will resolve to 'Huergo/Korpatsch' if the team of Huergo/Korpatsch advances against Mertens/Zhang. This market will resolve to 'Mertens/Zhang' if the team of Mertens/Zhang advances against Huergo/Korpatsch. 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.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| Roland Garros WTA (Doubles): Huergo/Korpatsch vs Mertens/Zhang | 0% YES | 100% NO |
| Completed Match | 100% YES | 0% NO |
The Roland Garros women's doubles match between Huergo/Korpatsch and Mertens/Zhang is scheduled for 30 May 2026 at 05:00 ET. The current order book on Polymarket shows zero volume at any price, with the implied probability sitting at 0% for Huergo/Korpatsch. This reflects either minimal trading activity or a complete absence of bids, which typically occurs when a market has not yet attracted sufficient liquidity or when traders are awaiting additional information before committing capital.
Huergo and Korpatsch represent a relatively lower-ranked pairing in professional doubles, whilst Mertens brings significant pedigree to her partnership with Zhang. Mertens has competed at the highest levels of both singles and doubles throughout her career, including multiple Grand Slam appearances. Historical patterns in women's doubles at Roland Garros show that seeding and ranking differential substantially influence match outcomes, though upsets do occur. The 0% probability on the order book likely reflects market participants' assessment of the ranking gap rather than any fundamental belief that Huergo/Korpatsch cannot compete.
Traders should monitor the official Roland Garros draw confirmation and any late withdrawals or injuries affecting either pairing in the weeks preceding the tournament. Weather conditions on clay courts can influence doubles play, particularly regarding serve-and-volley strategies. The settlement window closes 6 June 2026, allowing a one-week buffer beyond the scheduled date for match completion or rescheduling before resolution triggers occur.
This market settles from the official outcome published at https://www.wtatennis.com/scores. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
The mechanics for trading "Roland Garros WTA (Doubles): Huergo/Korpatsch vs Mertens/Zhang" are the same as any other PolyGram sporting event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$9K in lifetime turnover and $0 of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
Resolution is sourced from https://www.wtatennis.com/scores. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
This prediction market is scheduled to close on 6 June 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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