Resolution criteria on PolyGram: This market refers to the tennis match between Timofei Derepasko and Henry Jefferson in the ITF Men Kayseri, originally scheduled for May 27, 2026 at 5:00AM ET. This market will resolve to 'Timofei Derepasko' if Timofei Derepasko advances against Henry Jefferson. This market will resolve to 'Henry Jefferson' if Henry Jefferson advances against Timofei Derepasko. 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: Timofei Derepasko vs Henry Jefferson | 0% YES | 100% NO |
| Completed Match | 100% YES | 0% NO |
Timofei Derepasko and Henry Jefferson are scheduled to compete in the ITF Men's Kayseri tournament on 27 May 2026. The current order book on Polymarket shows zero probability assigned to a Derepasko victory, reflecting either strong conviction in Jefferson's superiority or minimal trading activity establishing a baseline price. With settlement occurring 7 June, traders have roughly a week post-match to assess outcomes, though the 7-day delay clause creates ambiguity if scheduling complications arise.
ITF Futures matches at this tier typically feature significant variance in player form and preparation. Both competitors operate within the lower-ranked professional and semi-professional circuit where recent match history, travel schedules, and surface adaptation prove more predictive than seeding alone. Derepasko's record against comparable opposition and Jefferson's recent performance trajectory on clay courts—Kayseri's surface—warrant examination. The 0% probability suggests either Jefferson is substantially favoured based on available information or the market lacks sufficient liquidity to price genuine uncertainty.
Traders should monitor tournament draw confirmations and any late withdrawals through the ITF's official scheduling updates. Injury announcements or late scratches could trigger the 50-50 resolution clause if the match fails to complete. Recent form data from both players' ITF circuit appearances in spring 2026 will clarify whether current pricing reflects genuine competitive imbalance or merely thin order book depth. The settlement window's seven-day buffer accommodates potential rescheduling without automatic tie resolution.
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: Timofei Derepasko vs Henry Jefferson" 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.
$571 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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