Wimbledon ATP: James Duckworth vs Flavio Cobolli

Platform comparison

Market context

The real-world event is James Duckworth’s attempt to advance past Flavio Cobolli in the second round of Wimbledon’s men’s singles, scheduled for 9:30am ET on 2 July 2026. In prediction markets, a YES share means you believe Duckworth will win the match; a NO share means you believe Cobolli will advance. This market currently prices Duckworth’s chance at 17%, implying the market expects Cobolli to win comfortably.

Historically, when betting odds show a player favoured at -325 (as Cobolli is), the implied win probability sits near 76.5%, while the underdog at +240 carries roughly 29.4% implied chance [1]. Yet prediction markets often diverge from bookmakers by incorporating crowd sentiment, recent form, and surface-specific performance. Duckworth’s last ten matches show inconsistent form with four wins and six losses [2], whereas Cobolli won his opening round against Navone in a tight four-setter [8]. Their head-to-head is evenly split at 1-1, but Cobolli’s grass record and current momentum make him the stronger candidate [4][6].

Traders should monitor post-match announcements from both players regarding fitness, any delays due to weather, and official confirmations of the match start time. Cobolli’s recent four-set victory suggests he can handle pressure, but Duckworth’s ability to recover from a lost set in his first round may be a catalyst if the match extends [7]. Any news of injury or schedule changes before the 13:30 UTC settlement deadline could shift probabilities significantly [5]. Watch for updates from official Wimbledon sources or player social media for real-time dependencies.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Wimbledon ATP: James Duckworth vs Flavio Cobolli across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Market UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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 Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.

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.