ITF Roehampton: Charles Broom vs Oliver Tarvet

Platform comparison

Market context

Charles Broom and Oliver Tarvet are due to meet in the Roehampton ITF men’s final, a hard-court match that the market is treating as almost certainly going ahead and producing a winner. That is consistent with the broad betting picture: bookmakers had Tarvet as a clear favourite at roughly 1.43 in decimal terms, versus 2.58 for Broom, while a separate odds feed showed a similar Tarvet edge at 1.38 and Broom at 3.07.[1][16][17] By contrast, the current crowd-implied probability of 100% YES on the contract is much more extreme than the sportsbook range, so the main divergence is not on who should be favoured, but on whether the crowd has fully priced away settlement risk.

Historically, the better guide in these ITF markets is often the match line rather than the headline probability, because pre-match walkovers, late retirements and schedule moves can still matter even in finals. On comparable odds, Tarvet’s price has implied something like a two-thirds win chance rather than certainty, and a tennis preview outlet also framed the contest as likely to finish in straight sets, which is consistent with a short final rather than a drawn-out, cancellation-prone event.[1][13] TennisTemple and Flashscore both had the fixture listed for 09/08/2026 at the expected Roehampton start time, which supports the view that the contract is tied to an imminent, scheduled final rather than an open-ended postponement scenario.[2][3]

For traders, the key catalysts are simple: official order-of-play updates, any late injury or withdrawal news, and whether the final starts on court at all, because a no-show, walkover or delay beyond seven days would force a 50-50 outcome under the contract terms. If the match begins but is then unfinished, resolution still depends on whether one player advances, so live reporting from scoreboards and tournament feeds matters more than pre-match sentiment once play is underway.[14] The practical cross-platform read is that sportsbooks favour Tarvet, while the prediction market is effectively assuming no settlement disruption; that gap is where the contract’s risk sits.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews ITF Roehampton: Charles Broom vs Oliver Tarvet 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 PolyGram, which mirrors the Polymarket order book at 0% fees.

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.

FAQ

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.

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 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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.