Resolution criteria on PolyGram: This market refers to the doubles tennis match between Erler/Miedler and Krajicek/Mektic in the Internazionali BNL d'Italia, originally scheduled for May 14, 2026 at 5:00AM ET. This market will resolve to 'Erler/Miedler' if the team of Erler/Miedler advances against Krajicek/Mektic. This market will resolve to 'Krajicek/Mektic' if the team of Krajicek/Mektic advances against Erler/Miedler. 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
| Internazionali BNL d'Italia (Doubles): Erler/Miedler vs Krajicek/Mektic | 50% YES | 50% NO |
| Completed Match | 50% YES | 51% NO |
The Internazionali BNL d'Italia doubles match between Erler/Miedler and Krajicek/Mektic is scheduled for 14 May 2026 on the clay courts of Rome. The current order book on Polymarket reflects a 50-50 split, indicating genuine uncertainty amongst traders regarding which pairing advances to the next round. This even probability suggests neither team holds a decisive advantage in the market's assessment, with liquidity distributed evenly across both outcomes through the settlement window closing 21 May 2026.
Krajicek and Mektic represent an established pairing with proven success on the ATP circuit, whilst Erler and Miedler form a less prominent combination. Historical doubles matchups on clay at Rome typically favour partnerships with prior tournament experience together and established court chemistry. The even odds here suggest the market is pricing in either a genuine competitive balance or insufficient historical data to differentiate the pairings confidently. Comparable unseeded or lower-ranked doubles encounters at the Internazionali have frequently resolved as toss-ups when both teams lack dominant recent form.
Traders should monitor entry lists and any withdrawal announcements through mid-May, as player injuries or schedule conflicts could alter the match composition. The early morning scheduling (5:00 AM ET) may influence match conditions and player availability. Weather delays on clay courts remain a material risk given the seven-day cancellation threshold; any postponement beyond 21 May would trigger a 50-50 resolution regardless of eventual outcome.
The Italian Open or Internazionali BNL d'Italia is an annual professional tennis tournament held in Rome, Italy. It is played on clay courts at the Foro Italico, and is held during the second week of May. The tournament is part of the ATP 1000 events on the ATP Tour and part of the WTA 1000 events on the WTA Tour. The two events were combined in 2011.
Inline hockey or roller hockey is a variant of hockey played on a hard, smooth surface, with players using inline skates to move and ice hockey sticks to shoot a hard, plastic puck into their opponent's goal to score points. The sport is a very fast-paced and free-flowing game and is considered a contact sport, but body checking is prohibited. There are five
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 "Internazionali BNL d'Italia (Doubles): Erler/Miedler vs Krajicek/Mektic" 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 $126 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.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 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.
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