Granby: Sasha Rozin vs Keegan Rice

Platform comparison

Market context

The Granby Challenger match between Sasha Rozin and Keegan Rice, set for 7:30pm ET on 14 July 2026 in Canada’s Men’s Challenger on hard courts, is the underlying event this Polymarket contract tracks. Today, the platform prices the YES outcome—Rozin advancing—at 0%, implying the crowd expects Rice to win or the match to be voided. On-chain, this contract trades in USDC on Polygon using conditional tokens, where resolution hinges strictly on who advances, with a 50-50 split if the match is cancelled, tied, or delayed beyond seven days without a winner.

Historically, 0% prices on Polymarket for Challenger-level tennis often signal either a confirmed retirement before play or a severe mismatch in form. In this case, Rozin enters with two consecutive 2:0 wins, while Rice’s recent record is less documented in available stats, yet the market still assigns him near-certain advantage [1][2]. Comparable cases from 2024–2025 Granby events show that when one player has a clear momentum streak but the market prices the opponent at 99–100%, it frequently reflects undisclosed injury news or scheduling conflicts rather than pure performance gaps.

Traders should monitor official Tennis Canada and Umpiry updates for any pre-match withdrawal announcements, as the $107,000 prize pool attracts high-stakes players who may pull out due to fatigue or injury [3][4]. The match’s 1/16 final status means a single retirement ends the contest, triggering the 50-50 resolution clause if no winner is determined. With the settlement window closing 21 July 2026, any delay beyond seven days from the scheduled date also forces the split outcome, making real-time schedule integrity the primary catalyst.

Sources: 1 · 2 · 3 · 4

Methodology

We track Granby: Sasha Rozin vs Keegan Rice across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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

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.

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.

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.