Resolution criteria on PolyGram: This market refers to the tennis match between Thaisa Grana Pedretti and Maria Jose Sanchez Uribe in the ITF Women Brasilia, originally scheduled for June 3, 2026 at 5:00PM ET. This market will resolve to 'Thaisa Grana Pedretti' if Thaisa Grana Pedretti advances against Maria Jose Sanchez Uribe. This market will resolve to 'Maria Jose Sanchez Uribe' if Maria Jose Sanchez Uribe advances against Thaisa Grana Pedretti. 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
| ITF Brasilia: Thaisa Grana Pedretti vs Maria Jose Sanchez Uribe | 95% YES | 6% NO |
| Completed Match | 50% YES | 50% NO |
The ITF Women's tournament in Brasília will feature a first-round encounter between Brazilian home player Thaisa Grana Pedretti and Colombian competitor Maria Jose Sanchez Uribe on 3 June 2026. The current order book on Polymarket reflects a 95% implied probability favouring Pedretti's advancement, suggesting strong confidence in the Brazilian's progression past her opponent.
ITF Women's circuit matches at this level typically favour home competitors, particularly in South American venues where local players benefit from familiarity with conditions and crowd support. Pedretti, competing in her domestic market, holds a structural advantage that historical ITF data supports—home players at comparable ranking tiers advance approximately 70–75% of the time. Sanchez Uribe, ranked outside the top 300 globally, enters as a significant underdog. The 95% probability currently priced reflects not only the home advantage but also the apparent disparity in competitive standing between the two players.
Traders should monitor official ITF and WTA tour announcements for any schedule changes or player withdrawals prior to the 3 June fixture. Weather conditions in Brasília during early June—typically the onset of the dry season—are unlikely to cause delays. The settlement window extends to 10 June, providing a seven-day buffer for match completion. Any late withdrawal by either player, injury announcement, or unexpected scheduling conflict would materially shift the probability. Current pricing appears anchored to Pedretti's home advantage and ranking differential rather than recent head-to-head history or form data.
This market settles from the official outcome published at https://www.itftennis.com/en/tournament-calendar/. 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 "ITF Brasilia: Thaisa Grana Pedretti vs Maria Jose Sanchez Uribe" 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.
$563 in lifetime turnover and $4K 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.
Last 24 hours alone saw $563 in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
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.itftennis.com/en/tournament-calendar/. 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 10 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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