Resolution criteria on PolyGram: This market refers to the tennis match between Luka Mikrut and Alex Marti Pujolras in the Heilbronn, originally scheduled for June 2, 2026 at 7:00AM ET. This market will resolve to 'Luka Mikrut' if Luka Mikrut advances against Alex Marti Pujolras. This market will resolve to 'Alex Marti Pujolras' if Alex Marti Pujolras advances against Luka Mikrut. 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
| Heilbronn: Luka Mikrut vs Alex Marti Pujolras Set 1 O/U 8.5 | 100% YES | 1% NO |
| Heilbronn: Luka Mikrut vs Alex Marti Pujolras Set 1 O/U 9.5 | 100% YES | 1% NO |
| Heilbronn: Luka Mikrut vs Alex Marti Pujolras Set 1 O/U 10.5 | 51% YES | 50% NO |
| Heilbronn: Luka Mikrut vs Alex Marti Pujolras Set 1 Winner | 50% YES | 50% NO |
| Heilbronn: Luka Mikrut vs Alex Marti Pujolras Total Sets: O/U 2.5 | 50% YES | 50% NO |
| Heilbronn: Luka Mikrut vs Alex Marti Pujolras Match O/U 21.5 | 50% YES | 50% NO |
| Heilbronn: Luka Mikrut vs Alex Marti Pujolras Match O/U 22.5 | 51% YES | 50% NO |
| Heilbronn: Luka Mikrut vs Alex Marti Pujolras Match O/U 23.5 | 50% YES | 50% NO |
Luka Mikrut and Alex Marti Pujolras are scheduled to meet in the Heilbronn tournament on 2 June 2026. The match represents a clash between a Croatian player and a Spanish competitor at a grass-court event in Germany. The current order book on Polymarket reflects a 50-50 split, indicating traders see genuine uncertainty about the outcome. This even split suggests neither player commands a clear advantage in the market's assessment, with liquidity distributed evenly across both sides of the contract.
Historical context for similar grass-court matchups between players of comparable ranking and experience shows that surface specialisation and recent form typically drive probability divergence. Mikrut and Pujolras occupy similar positions in professional tennis hierarchies, making head-to-head records and recent tournament performance the primary differentiators. When such matches lack decisive historical precedent or recent form data, markets often settle near 50-50 until new information emerges. The current probability reflects this information vacuum rather than genuine equipoise in playing strength.
Traders should monitor several catalysts before settlement on 9 June. Tournament draw confirmations, withdrawal announcements, and injury reports in the week preceding the match will likely shift the order book. Recent ATP rankings updates and performance at preceding tournaments will provide concrete form data. Weather conditions at Heilbronn—particularly relevant for grass-court play—may favour one player's style. Any schedule delays beyond the seven-day window would trigger the 50-50 resolution clause, making fixture stability a secondary consideration.
The Heilbronn League was an anti-Imperial alliance formed in the Free Imperial City of Heilbronn, on 23 April 1633, during the Thirty Years' War. Led by Sweden, it brought together various Protestant states in western and southern Germany. It was supported by Saxony and Brandenburg-Prussia, although they were not members.
Heilbronn is an electoral constituency represented in the Landtag of Baden-Württemberg. Since 2026, it has elected one member via first-past-the-post voting. Voters cast a second vote under which additional seats are allocated proportionally state-wide. Under the constituency numbering system, it is designated as constituency 18. It incorporates the whole
Karl Heilbronner was a German psychiatrist. He specialized in research of apraxia, depression and obsessive behavior disorders.
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 "Heilbronn: Luka Mikrut vs Alex Marti Pujolras" 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.
$8K in lifetime turnover and $23K of resting liquidity puts this market in the below the median by volume for tennis contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
Last 24 hours alone saw $8K 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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