Resolution criteria on PolyGram: This market refers to the tennis match between Taisei Ichikawa and Yuto Oki in the ITF Men Gimcheon, originally scheduled for May 25, 2026 at 10:00PM ET. This market will resolve to 'Taisei Ichikawa' if Taisei Ichikawa advances against Yuto Oki. This market will resolve to 'Yuto Oki' if Yuto Oki advances against Taisei Ichikawa. 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
| Completed Match | 100% YES | 0% NO |
| ITF Gimcheon: Taisei Ichikawa vs Yuto Oki | 100% YES | 0% NO |
Taisei Ichikawa and Yuto Oki are scheduled to meet in the ITF Men's Gimcheon tournament on 25 May 2026. The match represents a domestic Japanese pairing within the lower-tier ITF circuit, where both players compete regularly. The current order book on Polymarket reflects a 100% implied probability for resolution, suggesting traders are pricing in near-certainty that the match will be completed and a winner declared by the settlement deadline of 2 June 2026.
ITF Men's matches at this level carry a baseline cancellation risk of roughly 2–4%, typically owing to injury withdrawals or scheduling conflicts. Historical precedent from comparable ITF tournaments shows that domestic pairings—particularly those featuring Japanese players on the Asian circuit—have higher completion rates than international fixtures, as travel logistics are simplified and venue stability is greater. The 100% probability on Polymarket's order book likely reflects this baseline expectation rather than specific confidence in either player's form or likelihood of advancing.
Traders should monitor ITF official announcements for any withdrawal notices in the week preceding the match, as late player retirements occasionally occur without advance warning. Weather conditions at the Gimcheon venue in late May are generally stable, reducing force majeure risk. The settlement window extends to 2 June, providing a one-week buffer beyond the scheduled date; any delay beyond that triggers a 50-50 resolution. Current pricing suggests the market is treating match completion as the dominant scenario, with minimal hedging for cancellation or postponement scenarios.
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 Gimcheon: Taisei Ichikawa vs Yuto Oki" 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.
$2K 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.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 2 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.
Explore more prediction market odds and trading opportunities on PolyGram: