Resolution criteria on PolyGram: This market refers to the tennis match between Maria Oliver Sanchez and Nao Phang Ziyi in the ITF Women Monastir, originally scheduled for June 3, 2026 at 8:45AM ET. This market will resolve to 'Maria Oliver Sanchez' if Maria Oliver Sanchez advances against Nao Phang Ziyi. This market will resolve to 'Nao Phang Ziyi' if Nao Phang Ziyi advances against Maria Oliver Sanchez. 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 Monastir: Maria Oliver Sanchez vs Nao Phang Ziyi | 93% YES | 8% NO |
| Completed Match | 50% YES | 50% NO |
Maria Oliver Sanchez, a Spanish ITF competitor, faces Malaysian player Nao Phang Ziyi in the Women's ITF Monastir tournament scheduled for 3 June 2026. The 83% implied probability on Polymarket's order book reflects backing for Oliver Sanchez to progress from this match. Settlement occurs by 10 June, allowing a seven-day window for completion; matches delayed beyond this period without a winner resolve to 50-50.
ITF Women's events at the Monastir venue typically draw players ranked between 300–600 on the WTA scale, with outcomes heavily influenced by recent form and surface adaptation. Oliver Sanchez's current ranking and recent match record against comparable opposition would historically support the substantial favourite pricing, though Ziyi's performance trajectory and clay-court record merit examination. Previous ITF Monastir tournaments have seen occasional upsets from unseeded or lower-ranked entrants, particularly when favourites face unfamiliar opponents or arrive with limited preparation time.
Key variables for traders include confirmation of both players' participation closer to the event date, any last-minute withdrawals or schedule adjustments, and surface conditions at the Monastir facility. ITF tournaments occasionally experience fixture delays or cancellations due to weather or administrative factors. The current order book pricing suggests confidence in Oliver Sanchez's advancement, though the seven-day settlement window creates tail risk if matches are postponed significantly. Monitor ITF official announcements and player social media for withdrawal notices or injury updates in the fortnight preceding the scheduled date.
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 Monastir: Maria Oliver Sanchez vs Nao Phang Ziyi" 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.
$0 in lifetime turnover and $1K 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.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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