Resolution criteria on PolyGram: This market refers to the tennis match between Herman Hoeyeraal and Nicolas Garcia Longo in the ITF Men Maringa, originally scheduled for May 14, 2026 at 9:00AM ET. This market will resolve to 'Herman Hoeyeraal' if Herman Hoeyeraal advances against Nicolas Garcia Longo. This market will resolve to 'Nicolas Garcia Longo' if Nicolas Garcia Longo advances against Herman Hoeyeraal. 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 Maringa: Herman Hoeyeraal vs Nicolas Garcia Longo | 50% YES | 50% NO |
| Completed Match | 50% YES | 50% NO |
Herman Hoeyeraal and Nicolas Garcia Longo are scheduled to compete in the ITF Men's Maringa tournament on 14 May 2026. The match represents a lower-tier professional tennis fixture within the International Tennis Federation circuit, where both players typically compete to accumulate ranking points and prize money. The settlement window closes on 21 May, allowing a seven-day buffer for fixture delays before the market resolves to a 50-50 split.
The current 50-50 implied probability on Polymarket's order book reflects genuine uncertainty between two players operating at similar competitive levels within ITF Men's circuits. Hoeyeraal and Garcia Longo lack substantial ATP ranking differentials that would typically skew odds decisively; both occupy the lower echelons of professional tennis where surface preference, recent form, and head-to-head records carry substantial weight. Historical ITF matchups at this tier show considerable volatility, with unseeded or lower-ranked players frequently producing upsets against marginally higher-ranked opponents.
Traders should monitor fixture confirmation as the May date approaches, particularly any withdrawal announcements or schedule disruptions affecting the Maringa event. Recent ITF tournament calendars have experienced occasional relocations or cancellations due to venue constraints or weather. Court surface conditions—typically clay at South American ITF events—will influence stylistic matchups once confirmed. Any late injury disclosures or ranking shifts for either player in the weeks preceding the match could shift the order book materially from its current equilibrium.
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 Maringa: Herman Hoeyeraal vs Nicolas Garcia Longo" 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.
$0 in lifetime turnover and $54 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 21 May 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.
Explore more prediction market odds and trading opportunities on PolyGram: