Resolution criteria on PolyGram: This market refers to the tennis match between Shu Matsuoka and Evan Zhu in the ITF Men Karuizawa, originally scheduled for May 28, 2026 at 9:00PM ET. This market will resolve to 'Shu Matsuoka' if Shu Matsuoka advances against Evan Zhu. This market will resolve to 'Evan Zhu' if Evan Zhu advances against Shu Matsuoka. 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. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
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
| Completed Match | 100% YES | 0% NO |
| ITF Karuizawa: Shu Matsuoka vs Evan Zhu | 0% YES | 100% NO |
Shu Matsuoka and Evan Zhu are scheduled to compete in the ITF Men's Karuizawa tournament on 28 May 2026. The match represents a lower-tier professional tennis fixture within the ITF circuit, where both players are competing for ranking points and prize money. The current order book on Polymarket reflects a 100% implied probability for resolution, suggesting traders have priced in near-certainty that the match will occur and produce a decisive winner by the settlement deadline of 5 June 2026.
ITF Men's circuit matches typically proceed as scheduled unless weather or injury intervene, with cancellation rates substantially lower than higher-tier professional events. Historical data from comparable ITF tournaments shows that matches scheduled at established venues like Karuizawa rarely face postponement beyond the seven-day threshold specified in the resolution criteria. The extreme confidence reflected in current pricing aligns with the typical reliability of ITF scheduling at permanent facilities, though individual player circumstances remain a material variable.
Traders should monitor tournament draw confirmations and any player withdrawal announcements in the week preceding the match. Matsuoka's recent form and ranking trajectory, alongside Zhu's current competitive status, will influence betting patterns closer to the event date. Surface conditions at Karuizawa—typically hard court—and any late injury reports could shift market sentiment, though the settlement window provides sufficient buffer for administrative resolution even if the match experiences minor scheduling adjustments.
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 Karuizawa: Shu Matsuoka vs Evan Zhu" 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.
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 5 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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