Resolution criteria on PolyGram: This market refers to the tennis match between Rina Saigo and Jiaqi Wang in the ITF Women Wuning, originally scheduled for June 3, 2026 at 10:00PM ET. This market will resolve to 'Rina Saigo' if Rina Saigo advances against Jiaqi Wang. This market will resolve to 'Jiaqi Wang' if Jiaqi Wang advances against Rina Saigo. 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. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
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
| ITF Wuning: Rina Saigo vs Jiaqi Wang | 52% YES | 48% NO |
| Completed Match | 50% YES | 50% NO |
Rina Saigo and Jiaqi Wang are scheduled to compete in the ITF Women's tournament at Wuning on 3 June 2026. The match carries a settlement window extending to 11 June, allowing a seven-day buffer for rescheduling before the market resolves to a 50-50 split. Currently, Polymarket's order book reflects a 52% implied probability for Saigo's advancement, suggesting near-parity between the two competitors with a marginal lean towards the Japanese player.
Both players operate within the ITF circuit, where surface conditions, travel logistics, and recent form fluctuations create meaningful variance in match outcomes. Historical ITF Women's tournaments show that seeding disparities and head-to-head records often diverge significantly from crowd-implied probabilities, particularly when one player has limited recent match data or is returning from injury. The current 52-48 split indicates the market has not settled on a clear favourite, reflecting either genuine competitive balance or insufficient information on recent performance metrics and court-specific strengths.
Traders should monitor tournament draw confirmations, any withdrawal announcements, and surface-specific preparation schedules as the June date approaches. Weather conditions in Wuning during early June and last-minute injury reports will be critical catalysts. The seven-day grace period before forced 50-50 resolution creates an incentive structure where match delays or cancellations become tradeable events themselves, particularly if either player faces late scheduling conflicts or fitness concerns in the days preceding the fixture.
This market settles from the official outcome published at https://www.itftennis.com/en/tournament-calendar/. 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 "ITF Wuning: Rina Saigo vs Jiaqi Wang" 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 $2K 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.itftennis.com/en/tournament-calendar/. 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 11 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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