Resolution criteria on PolyGram: This market refers to the tennis match between Shu Muto and Sam Ryan Ziegann in the ITF Men Luan, originally scheduled for May 27, 2026 at 10:00PM ET. This market will resolve to 'Shu Muto' if Shu Muto advances against Sam Ryan Ziegann. This market will resolve to 'Sam Ryan Ziegann' if Sam Ryan Ziegann advances against Shu Muto. 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
| ITF Luan: Shu Muto vs Sam Ryan Ziegann | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
Shu Muto faces Sam Ryan Ziegann in an ITF Men's Luan tournament match scheduled for 27 May 2026 at 10:00 PM ET. The market currently reflects a 100% implied probability for Muto's advancement, suggesting the order book has priced in either a strong expectation of his victory or, more likely given the extreme probability, limited liquidity and unmatched depth on the Polymarket order book. Settlement occurs on 4 June 2026, allowing a seven-day window for match completion; any cancellation, tie, or delay beyond that threshold triggers a 50-50 resolution.
ITF Men's circuit matches at this level typically feature high volatility in outcomes, with seeding and recent form carrying substantial weight. Historical comparable fixtures show that 100% probabilities on lower-tier professional tennis matches often reflect thin order books rather than genuine certainty. Traders should note that ITF tournaments frequently experience schedule adjustments, player withdrawals, and surface-dependent performance variations that can shift match dynamics substantially.
Key catalysts include official ITF tournament confirmation and any pre-match announcements regarding player fitness or withdrawal. Weather conditions in the tournament location may affect scheduling. Recent ITF results for both players—particularly Muto's win-loss record and Ziegann's recent form—should be monitored through the ATP/ITF official databases. Any injury reports or late-stage withdrawals would likely trigger significant repricing on the order book before the settlement window closes.
The ITF rankings are the current rankings of national teams by the International Tennis Federation in both men's and women's tennis. The ITF also produces the ITF Davis Cup Nations Ranking for male national teams and the ITF Fed Cup Nations Ranking for female national teams. Both measure the success of all nations participating in both competitions.
The ITF Junior Circuit is the premier level for worldwide competition among under-18 junior tennis players, organized by the International Tennis Federation. Founded in 1977 with only nine tournaments, the 2011 ITF Junior Circuit offered over 350 tournaments in 118 countries. Mirroring the ATP and WTA tours, the ITF Junior Circuit ranks players and crowns a
The ITS launch vehicle was a 2016–2017 design for a privately funded very large 12-meter (39 ft)-diameter orbital launch vehicle planned to be developed by SpaceX. Design work was discontinued in 2017 when development was shifted to a smaller 9-meter version with approximately one-third the payload capability, announced under the project name BFR, and subseq
The ITF Junior Finals is a year-end singles tournament for the top-ranked 18-and-under tennis players on the ITF Junior Circuit. It is the second most prestigious annual junior event in terms of rankings points awarded, after the four junior grand slams. Each year, eight boys and eight girls participate in separate events. The tournament is designed to emula
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 Luan: Shu Muto vs Sam Ryan Ziegann" 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 $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.
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 4 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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