ITF Roehampton: Charles Broom vs Oliver Tarvet

Platform comparison

Market context

Charles Broom and Oliver Tarvet are set to meet at Roehampton on hard court, with the market resolving to the player who advances rather than simply the player listed first. On a programmatic read, that means the key input is not headline odds but the official match outcome state: completed match, walkover, retirement, postponement, or cancellation. Broom enters with the stronger established résumé and ranking profile, sitting around ATP 287 versus Tarvet’s roughly ATP 436 in live listings, which is the sort of gap that usually pushes a model away from a true 50-50 and towards a favourite, even before any surface or recent-form adjustments are applied.[3][5][11]

Comparable Roehampton data point to Broom being the more proven hard-court operator, with season-long win rates materially above Tarvet’s in most feeds and no head-to-head history to smooth the price.[1][7][17] That makes the current 100% crowd-implied YES look like a market that is pricing in straightforward settlement mechanics rather than pure tennis probability: if the fixture is actually played to a normal conclusion, the outcome should map cleanly to one side, whereas an abandonment, no-contest, or delay beyond the seven-day window would force the 50-50 fallback described in the contract.

A trader watching this through tools, bots, or conditional orders should monitor the official start time, any court or order-of-play changes, and whether the event is moved, suspended, or converted into a walkover path. Live listings showed the match scheduled for 09:30 on 9 August, and some feeds already reflected a live or completed scoreline, so the main catalyst is confirmation of the final official result rather than pre-match speculation.[2][5][9] For automation, the cleanest trigger is the tournament’s result feed: when a winner is posted, the market should settle to that player; if the match never starts or is voided, the position should be treated under the contract’s tie/void logic.[15]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

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

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

UK Frequently Asked Questions

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Bot UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.