Granby: Yuta Shimizu vs Jay Dylan Friend

Platform comparison

Market context

A Challenger Series match between Japanese player Yuta Shimizu and American Jay Dylan Friend is scheduled for 13 July 2026 in Granby, Quebec, with the settlement window extending to 20 July. The 100% implied probability on Shimizu reflects either incomplete market information or a technical artefact, as both players possess legitimate competitive standing in lower-tier professional tennis. Settlement hinges on match completion; cancellation, postponement beyond seven days without resolution, or abandonment mid-play triggers a 50-50 split.

Shimizu's recent form and ranking trajectory relative to Friend's serve-dependent game style provide the substantive basis for directional positioning. Comparable Challenger-level matches at Granby historically favour players with consistent baseline depth over those reliant on first-serve percentages, particularly on hard courts where consistency compounds advantages. Friend's career win-rate against top-100 opponents sits below 30%, whilst Shimizu has shown incremental improvement in tour-level qualifying rounds. The current probability assignment appears misaligned with historical performance data across similar matchups.

Traders monitoring this market should track official ATP Challenger Tour announcements regarding court assignments and weather delays, as Granby's July scheduling occasionally encounters precipitation. Withdrawal notifications typically emerge 48 hours pre-match; conditional orders set to trigger on cancellation announcements provide programmatic hedging. The settlement window's seven-day buffer accommodates rain postponements, but extended delays would activate the tie resolution. Real-time score feeds from ATP databases enable automated position management should the match begin but face interruption.

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 Kalshi Fees, 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.

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 Kalshi 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 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.

Do I need to KYC for this market?

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

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.