Resolution criteria on PolyGram: This market refers to the tennis match between Alexander Shevchenko and Nikolas Sanchez Izquierdo in the Prostejov, originally scheduled for June 3, 2026 at 5:00AM ET. This market will resolve to 'Alexander Shevchenko' if Alexander Shevchenko advances against Nikolas Sanchez Izquierdo. This market will resolve to 'Nikolas Sanchez Izquierdo' if Nikolas Sanchez Izquierdo advances against Alexander Shevchenko. 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
| Prostejov: Alexander Shevchenko vs Nikolas Sanchez Izquierdo | 59% YES | 42% NO |
| Completed Match | 50% YES | 50% NO |
| Prostejov: Alexander Shevchenko vs Nikolas Sanchez Izquierdo Set 1 O/U 8.5 | 72% YES | 28% NO |
| Prostejov: Alexander Shevchenko vs Nikolas Sanchez Izquierdo Set 1 O/U 9.5 | 50% YES | 50% NO |
| Prostejov: Alexander Shevchenko vs Nikolas Sanchez Izquierdo Match O/U 22.5 | 48% YES | 52% NO |
| Prostejov: Alexander Shevchenko vs Nikolas Sanchez Izquierdo Set 1 Winner | 56% YES | 44% NO |
| Prostejov: Alexander Shevchenko vs Nikolas Sanchez Izquierdo Total Sets: O/U 2.5 | 42% YES | 58% NO |
| Prostejov: Alexander Shevchenko vs Nikolas Sanchez Izquierdo Match O/U 21.5 | 54% YES | 46% NO |
Alexander Shevchenko faces Nikolas Sanchez Izquierdo in a Prostejov tournament match scheduled for 3 June 2026. The current order book on Polymarket reflects a 59% implied probability for Shevchenko's advancement, suggesting the market views him as a modest favourite despite this being a lower-tier ATP Challenger event where form and seeding carry less predictive weight than on the main tour.
Shevchenko, a Ukrainian player competing primarily on the Challenger circuit, has shown inconsistent results across similar-level tournaments. Sanchez Izquierdo, competing from Spain, operates in comparable competition tiers. Historical patterns at Prostejov suggest matches between players ranked outside the top 150 often hinge on surface preference—the Czech venue typically hosts clay courts—and recent match fitness rather than established head-to-head records. The 59% probability implies modest confidence in Shevchenko, likely reflecting recent form or seeding advantage rather than a decisive quality gap.
Traders should monitor official tournament draw confirmations and any player withdrawal announcements through the ATP's official schedule, particularly given the settlement window extends only to 10 June. Surface conditions and weather forecasts for early June in the Czech Republic may influence clay-court specialists' performance. Any late injury reports or schedule adjustments affecting either player's preparation would shift the order book materially. The seven-day grace period for delayed matches creates a tail risk; if the match is postponed beyond 10 June without completion, the market resolves to 50-50 regardless of eventual outcome.
This market settles from the official outcome published at https://www.atptour.com/en/scores/current. 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 "Prostejov: Alexander Shevchenko vs Nikolas Sanchez Izquierdo" 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.
$1K in lifetime turnover and $56K of resting liquidity puts this market in the below the median by volume for tennis contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $1K 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.atptour.com/en/scores/current. 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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