Resolution criteria on PolyGram: This market refers to the tennis match between Melios Efstathiou and Romain Faucon in the ITF Men Kayseri, originally scheduled for May 27, 2026 at 7:15AM ET. This market will resolve to 'Melios Efstathiou' if Melios Efstathiou advances against Romain Faucon. This market will resolve to 'Romain Faucon' if Romain Faucon advances against Melios Efstathiou. 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 Kayseri: Melios Efstathiou vs Romain Faucon | 0% YES | 100% NO |
| Completed Match | 100% YES | 0% NO |
Melios Efstathiou, a Cypriot player, faces Romain Faucon of France in the ITF Men's tournament at Kayseri, Turkey, scheduled for 27 May 2026. The match is set for 7:15 AM ET, with settlement occurring by 3 June 2026. Currently, Polymarket's order book reflects a 0% implied probability for Efstathiou's advancement, indicating the market has priced him as a decisive underdog or that liquidity remains sparse at the current moment. The settlement terms include a 50-50 resolution if the match is cancelled, delayed beyond seven days without completion, or ends in a tie.
ITF Men's circuit matches at this tier typically feature significant variance in player form and preparation. Faucon, competing on the professional ITF circuit, likely carries recent match data and ranking momentum that has shaped the current market pricing. Efstathiou's Cypriot ranking and recent tournament results would be the primary reference points for assessing whether the 0% probability reflects genuine form disparity or merely thin order book conditions. Historical ITF Kayseri tournaments have drawn regional and European players with mixed seeding distributions.
Traders should monitor official ITF and tournament announcements for any scheduling changes, player withdrawals, or surface conditions updates closer to the event date. Weather disruptions in Turkey during late May could trigger the seven-day delay clause. Confirmation of both players' participation and any late ranking shifts in the week preceding the match would provide concrete catalysts for repricing.
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 Kayseri: Melios Efstathiou vs Romain Faucon" 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.
$635 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 3 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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