Resolution criteria on PolyGram: This market refers to the tennis match between Petros Tsitsipas and Giorgio Tabacco in the ITF Men Caltanissetta, originally scheduled for June 2, 2026 at 6:00AM ET. This market will resolve to 'Petros Tsitsipas' if Petros Tsitsipas advances against Giorgio Tabacco. This market will resolve to 'Giorgio Tabacco' if Giorgio Tabacco advances against Petros Tsitsipas. 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 Caltanissetta: Petros Tsitsipas vs Giorgio Tabacco | 24% YES | 76% NO |
| Completed Match | 50% YES | 50% NO |
Petros Tsitsipas, the younger brother of ATP top-10 regular Stefanos Tsitsipas, will face Giorgio Tabacco in the ITF Men's Caltanissetta tournament on 2 June 2026. The match is scheduled for 6:00 AM ET, with settlement occurring by 9 June 2026. The current order book on Polymarket reflects an 18% implied probability for Tsitsipas victory, suggesting the market views Tabacco as the favoured outcome.
Petros Tsitsipas has competed primarily on the ITF circuit, where he has accumulated wins but remains outside the ATP rankings. Tabacco, an Italian player competing on home soil in Sicily, typically operates within similar competitive tiers. Historical ITF matchups between players of comparable ranking suggest that home-court advantage and local familiarity often shift probabilities by 8–15 percentage points. The current 18% for Tsitsipas implies either significant concern about his form, recent injury, or confidence in Tabacco's preparation for this fixture.
Traders should monitor official ITF tournament draws and any late withdrawals or schedule adjustments in the week preceding the match. Weather conditions in Caltanissetta during early June—particularly heat and court surface consistency—can favour certain playing styles. Recent ITF results for both players, published on the ATP website and ITF databases, will clarify current form. Any announcement of injury or illness affecting either player would likely shift the order book substantially. The 7-day completion window means delays beyond 9 June trigger a 50-50 resolution, creating tail-risk considerations for positions held through the settlement period.
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 Caltanissetta: Petros Tsitsipas vs Giorgio Tabacco" 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.
$5 in lifetime turnover and $2K 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 $5 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 9 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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