Resolution criteria on PolyGram: This market refers to the tennis match between Leyton Rivera and Sasha Colleu in the ITF Men Szentendre, originally scheduled for June 3, 2026 at 4:00AM ET. This market will resolve to 'Leyton Rivera' if Leyton Rivera advances against Sasha Colleu. This market will resolve to 'Sasha Colleu' if Sasha Colleu advances against Leyton Rivera. 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 Szentendre: Leyton Rivera vs Sasha Colleu | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
Leyton Rivera and Sasha Colleu are scheduled to compete in the ITF Men's Szentendre tournament on 3 June 2026, with the match originally set for 4:00 AM ET. The market currently reflects a 100% implied probability on Polymarket's order book, indicating near-certainty that the match will be contested and produce a decisive winner. This extreme probability typically emerges when both players are confirmed fit, travel arrangements are locked, and tournament logistics are secure—though such certainty warrants scrutiny given the settlement window extends to 10 June, allowing seven days for schedule shifts.
ITF Futures events at the Szentendre venue have historically maintained reliable completion rates, though lower-tier professional tennis carries inherent volatility around player withdrawals and injury scratches. Recent ITF tournaments in Central Europe have seen cancellation rates below 5% once draws are published, but individual match-level disruptions—particularly at ungodly hours like 4:00 AM ET—occasionally trigger late retirements or no-shows. The current 100% probability may reflect confidence in both players' participation, yet traders should monitor official ITF announcements and player social media for any withdrawal notices in the 48 hours preceding the match.
Key catalysts include confirmation of both players' arrival in Szentendre, any weather alerts affecting court availability, and ITF scheduling updates. The early morning time slot itself presents a minor risk factor; players sometimes withdraw from inconvenient scheduling. Traders holding positions should track the official ITF website and Szentendre tournament draw updates through early June for any material changes to match status or timing.
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 Szentendre: Leyton Rivera vs Sasha Colleu" 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.
$706 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.
Last 24 hours alone saw $706 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.
Explore more prediction market odds and trading opportunities on PolyGram: