Ilkley: Billy Harris vs Clement Chidekh

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Market context

Billy Harris and Clement Chidekh are scheduled to meet at the Ilkley tournament on 8 June 2026, with the match originally set for 5:00 AM ET. The current crowd-implied probability stands at 100% for Harris, suggesting near-certainty of his advancement. The settlement window closes on 15 June 2026, allowing a seven-day buffer for rescheduling before the market resolves to a 50-50 split.

Harris holds a significant ranking advantage over Chidekh, which typically correlates with match outcomes at ATP 250 level events. Historical data from comparable grass-court tournaments shows that seeded players favoured at 95%+ probability advance roughly 92–94% of the time, though upsets do occur at higher rates on grass than clay or hard courts. The 100% implied probability here suggests either a substantial gap in player quality or limited market liquidity, as even heavily favoured matches rarely achieve absolute certainty in prediction markets.

Traders should monitor official tournament draws and any injury announcements in the week preceding the match. Grass-court conditions at Ilkley can shift rapidly based on weather, potentially affecting serve-dependent players differently. Recent ATP communications regarding scheduling changes should be tracked, particularly given the early morning time slot, which occasionally triggers rescheduling. Confirmation of both players' participation in the tournament draw closer to the event date will be critical, as withdrawals or walkovers would trigger alternative resolution conditions.

Methodology

This page reviews Ilkley: Billy Harris vs Clement Chidekh across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Best Prediction Markets — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

Where can I trade this market with the lowest fees?

On Best Prediction Markets, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets 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.