Lexus Eastbourne Open: Jack Draper vs Gabriel Diallo

Platform comparison

Active sub-markets

Market context

Jack Draper and Gabriel Diallo are set to compete in a men’s singles tennis match at the Lexus Eastbourne Open, an ATP 250 grass-court tournament held in Eastbourne, Great Britain, from 22 to 27 June 2026[3][6]. The match was originally scheduled for 25 June 2026 at 9:30 AM ET, with the market resolving based on which player advances[4][7]. If the match is canceled, tied, or delayed beyond seven days without a winner, the outcome defaults to a 50-50 split, mirroring voting mechanisms seen in events like Eurovision, where jury and public votes each contribute 50%[3].

Historically, prediction markets that assign 0% probability to an outcome often reflect extreme uncertainty or missing information rather than definitive impossibility. Comparable precedents include the Oscars’ preferential ballot for Best Picture, where initial odds can shift dramatically once voting data emerges, or tennis tournaments where player withdrawals or weather delays alter expected results[6]. In such cases, the 0% figure may signal a lack of confirmed data rather than a settled conclusion, especially when settlement depends on match completion and player advancement[4].

Traders should monitor official ATP and LTA updates for match schedule changes, player lineups, or withdrawal announcements, as these directly impact resolution[2][4]. Recent news from the ATP Tour highlights daily schedule adjustments and live score updates for the Eastbourne event, which could influence market dynamics[4]. Additionally, weather conditions on grass courts and player fitness levels remain critical dependencies, with any delay beyond seven days triggering the 50-50 default outcome[3][5]. Fans can access the latest draws and lineups via the LTA’s official fan zone, ensuring timely insight into potential shifts[2].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Lexus Eastbourne Open: Jack Draper vs Gabriel Diallo 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?

PolyGram 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 does it cost to trade on PolyGram?

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

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.

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.