Resolution criteria on PolyGram: This market refers to the doubles tennis match between Dabrowski/Stefani and Haverlag/Lumsden in the Roland Garros WTA, originally scheduled for May 26, 2026 at 5:00AM ET. This market will resolve to 'Dabrowski/Stefani' if the team of Dabrowski/Stefani advances against Haverlag/Lumsden. This market will resolve to 'Haverlag/Lumsden' if the team of Haverlag/Lumsden advances against Dabrowski/Stefani. 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): Dabrowski/Stefani vs Haverlag/Lumsden | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
The Roland Garros women's doubles match between Dabrowski and Stefani against Haverlag and Lumsden is scheduled for 26 May 2026. The current order book on Polymarket reflects a 100% implied probability for Dabrowski/Stefani, indicating traders are pricing them as near-certain to advance. This extreme skew typically emerges when one pairing holds a substantial ranking or seeding advantage, or when one team has withdrawn from the draw. Given the settlement window closes on 2 June, there is a six-day window for the match to conclude; any cancellation, tie, or delay beyond that period triggers a 50-50 resolution.
Dabrowski has established herself as a consistent doubles competitor on the WTA circuit, with multiple Grand Slam quarterfinal and semifinal appearances. Comparable pairings at Roland Garros suggest that seeded teams facing unseeded or lower-ranked opponents typically command 85–95% implied probabilities, though 100% pricing is uncommon unless one team is significantly favoured or structural factors (injury, withdrawal) are at play. Traders should monitor the official Roland Garros draw confirmation and any late withdrawals in the days preceding the match.
Key catalysts include confirmation of player fitness, any last-minute draw changes, and weather conditions on the scheduled date. The early morning slot (5:00 AM ET) may affect scheduling reliability. Court assignments and opponent seeding will clarify whether the current pricing reflects genuine dominance or potential mispricing in the order book.
Stade Roland Garros is a complex of tennis courts, including stadiums, located in Paris that hosts the French Open. That tournament, also known as Roland Garros, is a major tennis championship played annually in late May and early June. The complex is named after Roland Garros (1888–1918), a pioneering French aviator, and was constructed in 1928 to host Fran
Eugène Adrien Roland Georges Garros was a French aviation pioneer and fighter pilot. A self-taught pilot, he performed many early aviation feats such as the first-ever airplane crossing of the Mediterranean Sea in 1913. He later joined the French Army and became one of the earliest fighter pilots during First World War.
Roland Garros Airport, formerly known as Gillot Airport, is an international airport located in Sainte-Marie on Réunion, France. The airport is 7 kilometres (3.8 NM) east of Saint-Denis; it is named after the French aviator Roland Garros, who was born in Saint-Denis.
Roland-Garros, also known as the French Open, is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam tennis events every year, held after the Australian Open and before Wimbledon and the US Open. It was established in 1891 but it did not become
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): Dabrowski/Stefani vs Haverlag/Lumsden" are the same as any other PolyGram 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.
$5K in lifetime turnover and $0 of resting liquidity puts this market in the below the median by volume for tennis 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 2 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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