Resolution criteria on PolyGram: This market refers to the doubles tennis match between Gornes/Walkow and Agostini/Ribero in the Tunis, originally scheduled for May 14, 2026 at 4:00AM ET. This market will resolve to 'Gornes/Walkow' if the team of Gornes/Walkow advances against Agostini/Ribero. This market will resolve to 'Agostini/Ribero' if the team of Agostini/Ribero advances against Gornes/Walkow. 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
| Tunis (Doubles): Gornes/Walkow vs Agostini/Ribero | 50% YES | 50% NO |
| Completed Match | 50% YES | 51% NO |
The Tunis doubles draw features Gornes and Walkow facing Agostini and Ribero in a match originally scheduled for 14 May 2026. The current order book on Polymarket reflects a 50-50 split, indicating genuine uncertainty amongst traders regarding which pairing advances. This even pricing suggests the market perceives both teams as evenly matched on the available evidence, with no clear consensus forming around either side's prospects.
Doubles tennis outcomes depend heavily on partnership chemistry, recent form, and surface-specific strengths. Clay-court tournaments like Tunis historically favour teams with established patterns of play and solid net positioning. The current probability mirrors typical pricing for competitive matchups where neither pairing holds obvious ranking advantages or recent head-to-head records that would skew expectations materially. Comparable draws at similar ATP 250 events show 50-50 markets often persist when both teams sit within similar ranking bands and lack decisive recent meetings.
Traders should monitor official tournament draws and any late withdrawals or injury announcements from the ATP or tournament organisers in the week preceding 14 May. Surface conditions—particularly clay court preparation at the Tunis venue—can shift doubles dynamics substantially, as can last-minute partnership changes. The settlement window closes 21 May at 08:00 UTC, allowing a seven-day buffer for match completion. Any cancellation, tie, or delay beyond that window triggers a 50-50 resolution, so fixture confirmation closer to the scheduled date becomes material for position management.
Traditionally, tennis is played between two people in a singles match, or two pairs in a doubles match. Tennis can also be played on different courts, including grass courts, clay courts, hard courts, and artificial grass courts.
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 "Tunis (Doubles): Gornes/Walkow vs Agostini/Ribero" 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 $111 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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