Wimbledon ATP: Jakub Mensik vs Toby Samuel

Platform comparison

Market context

The underlying event is the first-round Wimbledon ATP match between Jakub Mensik and Toby Samuel, scheduled for Tuesday, 30 June 2026 at the All England Lawn Tennis and Croquet Club in London. Mensik, the Czech 15th seed with a 7–10 grass record, faces Samuel, the British qualifier boasting a 19–11 grass tally and a recent Eastbourne semifinal run [5][9].

Historically, such 100% crowd-implied probabilities in prediction markets often signal extreme consensus rather than absolute certainty, mirroring past cases where underdogs with strong grass form (like Samuel’s Eastbourne surge) overturned heavily favoured seeds [5]. While the consensus locks Mensik as the favourite, value may sit contrarian on Samuel, whose 28.5% modelled win probability [3] suggests the market may be underpricing his grass-specific resilience and home-court advantage.

Traders should watch for late schedule adjustments, weather delays affecting the 13:00 Moscow-time start [1], and any pre-match fitness announcements from either player. Recent coverage notes Samuel’s quiet rise but highlights Mensik as a tough opponent, yet the 72% modelled win probability for Mensik [3] may not fully account for Samuel’s grass pedigree [9]. No major news source has yet reported injuries, but monitoring official Wimbledon updates remains critical before the settlement window closes on 6 July 2026.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Wimbledon ATP: Jakub Mensik vs Toby Samuel 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 Who Will Win 2026, 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

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 Who Will Win 2026. 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.

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.

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.