Lexus Eastbourne Open, Qualification: Jan Choinski vs Yibing Wu

Platform comparison

Active sub-markets

Market context

Jan Choinski’s qualifying match against Yibing Wu in Eastbourne has already moved to court, and live score services show the contest has been played rather than sitting as a purely scheduled event. TennisMajors currently lists Choinski leading Wu 2-0 in sets, which is the key reason a market priced at **100% YES** would be reading as highly consensus-driven rather than speculative. [2][3]

That framing matters because tennis qualification markets often hinge less on pre-match reputation than on whether the fixture is actually completed and who advances under the tournament’s rules. Here, the live ATP scores page shows the players have “arrived on court”, while ESPN’s schedule places the qualifying first-round meeting on the day’s Eastbourne order of play; together those signals make cancellation or a long delay less relevant than the in-match outcome itself. [3][6] Comparable markets around qualifying draws can stay pinned near certainty once a player has begun to control the match, but they remain sensitive to retirement rules and any official abandonment before completion. [4]

The main catalysts for traders are therefore match status updates, not broader tour narrative: official scoring changes, retirement or medical-timeout announcements, and any correction to the live feed if the event state is updated. If the match is formally completed, the settlement should track the advancing player; if the fixture is abandoned without a winner or pushed beyond the allowed window, the contract mechanics indicate a 50-50 fallback. [2][3]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Lexus Eastbourne Open, Qualification: Jan Choinski vs Yibing Wu on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Is this market available outside the US?

Sport Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Sport Prediction?

Zero. Sport Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.