Birmingham: Coleman Wong vs Filippo Romano

Platform comparison

Active sub-markets

Market context

Coleman Wong and Filippo Romano are scheduled to meet in a professional tennis match at Birmingham on 4 June 2026, with the contest originally timed for 5:30 AM ET. The 0% implied probability reflects either minimal trading activity or strong market consensus that one player will not compete. Settlement occurs by 11 June 2026 at 09:30 UTC; any cancellation, tie, or delay exceeding seven days without a determined winner triggers a 50-50 resolution.

Historical precedent in lower-tier ATP and Challenger circuit matches shows that early-round withdrawals and scheduling disruptions occur at measurable rates. Wong, a Hong Kong-based player, and Romano, an Italian competitor, compete primarily on the Challenger tour where fixture reliability varies by venue and surface conditions. Comparable Birmingham tournaments have experienced weather-related postponements and player withdrawals in the fortnight preceding the event, suggesting the current zero probability may reflect either incomplete market information or genuine uncertainty about match completion rather than a decisive performance differential.

Traders should monitor official ATP and Challenger circuit announcements regarding player injury status and entry confirmations, typically released within 72 hours of the scheduled date. The Birmingham grass-court event's weather patterns in early June and any late draw changes will affect match likelihood. Recent ATP communications regarding scheduling have emphasised fixture adherence, though Challenger-level tournaments retain greater flexibility. The settlement window's seven-day grace period provides buffer for rescheduling, though unresolved matches default to 50-50 regardless of partial play.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Tax UK, which mirrors the Polymarket order book directly.

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

Where can I trade this market with the lowest fees?

On Polymarket Tax UK, 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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket Tax UK 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.