Resolution criteria on PolyGram: This market refers to the doubles tennis match between Bellucci/Romano and Bu/Zhang in the Birmingham, originally scheduled for June 2, 2026 at 5:00AM ET. This market will resolve to 'Bellucci/Romano' if the team of Bellucci/Romano advances against Bu/Zhang. This market will resolve to 'Bu/Zhang' if the team of Bu/Zhang advances against Bellucci/Romano. 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
| Birmingham (Doubles): Bellucci/Romano vs Bu/Zhang | 50% YES | 50% NO |
| Completed Match | 0% YES | 100% NO |
The Birmingham doubles draw features Italian pairing Matteo Bellucci and Giandomenico Romano against Chinese pair Bu Yunchaokete and Zhang Zhizhen in early June 2026. The match was originally scheduled for 5:00 AM ET on 2 June, though grass-court tournaments frequently experience schedule adjustments due to weather and match progression. Current order-book activity on Polymarket reflects a 50-50 split, suggesting substantial uncertainty about which pairing advances to the next round.
Historical context for grass-court doubles at Birmingham shows that seeding and recent form carry significant weight, though upsets occur regularly in doubles formats where chemistry and momentum shift rapidly. Italian pairings have performed competitively at British grass events, whilst Chinese players have shown improving results on faster surfaces in recent seasons. The 50% implied probability indicates the market perceives genuine competitive balance rather than a clear favourite, typical when both teams possess credible credentials but limited recent head-to-head data exists.
Traders should monitor official tournament draws and any withdrawal announcements, which typically emerge in the week preceding competition. Grass-court conditions at Birmingham can favour particular playing styles—serve-and-volley strength becomes more pronounced—making surface-specific recent results relevant. Weather forecasts for early June will influence scheduling, potentially affecting player fatigue if matches compress. Any late injury updates or partnership changes should be tracked through ATP and WTA official channels, as doubles lineups occasionally shift before tournament commencement.
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 "Birmingham (Doubles): Bellucci/Romano vs Bu/Zhang" 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.
$28 in lifetime turnover and $0 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 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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