Birmingham: Coleman Wong vs Filippo Romano

Platform comparison

Active sub-markets

Market context

Coleman Wong and Filippo Romano are scheduled to compete in a men's tennis match at Birmingham on 4 June 2026, with the contest originally set for 5:30 AM ET. The market resolves to Wong if he advances, to Romano if Romano advances, and to 50–50 if the match is cancelled, delayed beyond seven days without completion, or ends in a tie. The current crowd-implied probability of 0% YES suggests minimal backing for Wong to win, though this may reflect limited liquidity or early-stage market formation rather than certainty about the outcome.

Historical precedent in tennis prediction markets shows that matches involving lower-ranked or less-publicised players often exhibit sparse initial pricing, particularly when settlement windows are distant. The 0% reading here is consistent with markets where one player carries stronger recent form, ranking advantage, or head-to-head record; however, such extreme probabilities typically shift once trading volume increases or fresh information emerges. Comparable ATP Challenger and Futures-level matchups have seen significant repricing in the final weeks before play.

Traders should monitor the ATP rankings and recent tournament results for both players through May 2026, as injuries or withdrawals would trigger the cancellation clause. The Birmingham event's official draw confirmation, expected in late April or early May, will clarify seeding and scheduling. Surface preference—Birmingham typically plays on grass—favours certain playing styles; Wong's and Romano's grass-court records warrant review. Any announcement of schedule changes or weather-related delays approaching the settlement window deadline of 11 June 2026 at 09:30 UTC will directly affect resolution mechanics.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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 Polymarket KYC 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.

Is this market available outside the US?

Polymarket KYC UK 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.

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 KYC 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.