Resolution criteria on PolyGram: This market refers to the tennis match between Karen Khachanov and Botic van de Zandschulp in the Internazionali BNL d'Italia, originally scheduled for May 10, 2026 at 5:00AM ET. This market will resolve to 'Karen Khachanov' if Karen Khachanov advances against Botic van de Zandschulp. This market will resolve to 'Botic van de Zandschulp' if Botic van de Zandschulp advances against Karen Khachanov. 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: Karen Khachanov vs Botic van de Zandschulp Total Sets: O/U 2.5 | 100% YES | 0% NO |
| Internazionali BNL d'Italia: Karen Khachanov vs Botic van de Zandschulp Set Handicap +/-1.5 | 0% YES | 100% NO |
| Internazionali BNL d'Italia: Karen Khachanov vs Botic van de Zandschulp Set 1 O/U 9.5 | 100% YES | 0% NO |
| Internazionali BNL d'Italia: Karen Khachanov vs Botic van de Zandschulp Match O/U 23.5 | 100% YES | 0% NO |
| Internazionali BNL d'Italia: Karen Khachanov vs Botic van de Zandschulp Set 1 Winner | 0% YES | 100% NO |
| Internazionali BNL d'Italia: Karen Khachanov vs Botic van de Zandschulp Match O/U 21.5 | 100% YES | 0% NO |
| Internazionali BNL d'Italia: Karen Khachanov vs Botic van de Zandschulp Set 1 O/U 8.5 | 100% YES | 0% NO |
| Internazionali BNL d'Italia: Karen Khachanov vs Botic van de Zandschulp Match O/U 22.5 | 100% YES | 0% NO |
Karen Khachanov and Botic van de Zandschulp are scheduled to meet in the second round of the Internazionali BNL d'Italia on 10 May 2026. The match currently trades at 50–50 implied probability on Polymarket's order book, reflecting genuine uncertainty between two established clay-court competitors. Khachanov, ranked in the top 20 globally, brings consistent Grand Slam and Masters 1000 experience, whilst van de Zandschulp has demonstrated improved form on European clay in recent seasons, notably reaching the French Open second round in 2024.
Historically, Khachanov holds the head-to-head advantage with a 2–0 record against van de Zandschulp, both victories occurring on hard courts. However, clay-court dynamics favour van de Zandschulp's baseline game more than hard courts do. The 50–50 split on the order book suggests traders are weighting Khachanov's ranking and experience against van de Zandschulp's improved clay-court performance and the surface-dependent nature of their matchup.
Key variables affecting settlement include both players' form leading into Rome, injury status in the week prior to 10 May, and first-round results that determine seeding and draw positioning. Weather conditions on the day—particularly wind, which can disrupt clay-court rallies—may also influence match dynamics. The settlement window closes 17 May, providing a seven-day buffer for delayed matches to be completed without triggering a 50–50 resolution.
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: Karen Khachanov vs Botic van de Zandschulp" 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.
$753K in lifetime turnover and $330K of resting liquidity puts this market in the top 2% 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 $752K 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 17 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.
Explore more prediction market odds and trading opportunities on PolyGram: