Resolution criteria on PolyGram: This market refers to the tennis match between Matteo Sciahbasi and Manuel Mazza in the ITF Men Grado, originally scheduled for May 28, 2026 at 8:00AM ET. This market will resolve to 'Matteo Sciahbasi' if Matteo Sciahbasi advances against Manuel Mazza. This market will resolve to 'Manuel Mazza' if Manuel Mazza advances against Matteo Sciahbasi. 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 Grado: Matteo Sciahbasi vs Manuel Mazza | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
Matteo Sciahbasi and Manuel Mazza are scheduled to compete in the ITF Men's Grado tournament on 28 May 2026. The market currently reflects a 100% implied probability for Sciahbasi's advancement, as shown across Polymarket's order book. This extreme pricing suggests either overwhelming confidence in Sciahbasi's superiority or minimal trading activity establishing a genuine two-sided market. With the settlement window closing on 4 June 2026, traders have approximately one week post-match for resolution.
ITF Futures matches at the Grado venue typically feature players ranked outside the ATP top 200, where individual form variance and surface adaptation create meaningful uncertainty. Historical ITF clay-court tournaments show that lower-ranked players frequently produce upsets, particularly when seeding advantages are modest or absent. The current 100% probability warrants scrutiny against comparable matchups; such extreme odds are rare unless one player holds a decisive ranking advantage or recent head-to-head record.
Traders should monitor official ITF tournament draws and player withdrawal announcements through late May, as scheduling changes and injuries frequently affect lower-tier professional events. Confirmation of both players' participation and any ranking updates closer to the match date will be critical catalysts. The resolution mechanism includes provisions for incomplete matches and delays beyond seven days, creating additional settlement risk that the current odds may not fully price in.
Note: in this context, IT does not mean Information Technology, but it is an Engineering term.
The ITF Grand Prix Circuit was a professional tennis tour for male players founded in 1970 as the Grand Prix Tennis Circuit it was administered by the International Tennis Federation (ITF) and ran annually until 1989 when it and the rival WCT Circuit were replaced by a single world wide ATP Tour.
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
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 Grado: Matteo Sciahbasi vs Manuel Mazza" 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.
$5K 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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