Resolution criteria on PolyGram: This market refers to the tennis match between Taro Daniel and Jonas Forejtek in the Prostejov, originally scheduled for June 2, 2026 at 4:00AM ET. This market will resolve to 'Taro Daniel' if Taro Daniel advances against Jonas Forejtek. This market will resolve to 'Jonas Forejtek' if Jonas Forejtek advances against Taro Daniel. 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. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
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
| Prostejov: Taro Daniel vs Jonas Forejtek Set 1 Winner | 50% YES | 50% NO |
| Prostejov: Taro Daniel vs Jonas Forejtek Total Sets: O/U 2.5 | 50% YES | 50% NO |
| Prostejov: Taro Daniel vs Jonas Forejtek Set 1 O/U 8.5 | 100% YES | 1% NO |
| Prostejov: Taro Daniel vs Jonas Forejtek Match O/U 21.5 | 50% YES | 50% NO |
| Prostejov: Taro Daniel vs Jonas Forejtek Set 1 O/U 9.5 | 100% YES | 1% NO |
| Prostejov: Taro Daniel vs Jonas Forejtek Match O/U 22.5 | 51% YES | 50% NO |
| Prostejov: Taro Daniel vs Jonas Forejtek Set 1 O/U 10.5 | 50% YES | 50% NO |
| Prostejov: Taro Daniel vs Jonas Forejtek Match O/U 23.5 | 50% YES | 50% NO |
Taro Daniel and Jonas Forejtek are scheduled to meet in Prostejov on 2 June 2026. Daniel, a Japanese player ranked in the ATP's mid-tier, typically competes across the challenger and ATP circuit with moderate consistency. Forejtek, a Czech player competing primarily on the challenger tour, holds home-court advantage in this matchup. The current order book on Polymarket reflects a 45% implied probability for Daniel's advancement, suggesting the market views Forejtek as the slight favourite despite the Czech player's lower ranking profile relative to Daniel's established ATP presence.
Historical matchup data between players of this ranking tier shows that home-court advantage in challenger events typically shifts win probability by 8–12 percentage points. Forejtek's positioning in Prostejov, combined with Daniel's travel logistics from Japan, aligns with this pattern. Daniel's recent form on hard courts and his experience in ATP-level competition provide a counterweight to Forejtek's territorial edge. The current 45% YES probability reflects these offsetting factors without extreme skew toward either player.
Traders should monitor injury announcements from either camp through early June, as both players' participation in preceding weeks' tournaments will signal fitness levels. The settlement window closes 9 June 2026, allowing a one-week buffer for match completion or rescheduling. Any withdrawal or cancellation before play begins triggers the 50-50 resolution clause, creating tail-risk exposure for positions taken at current odds.
This market settles from the official outcome published at https://www.atptour.com/en/scores/current. 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 "Prostejov: Taro Daniel vs Jonas Forejtek" 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.
$4K in lifetime turnover and $55K of resting liquidity puts this market in the below the median by volume for tennis contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $4K 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.atptour.com/en/scores/current. 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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