Granby: Sasha Rozin vs Keegan Rice

Platform comparison

Market context

The Granby Challenger match between Sasha Rozin and Keegan Rice, set for 14 July 2026 at 2:30PM ET, determines which player advances to the next round of the men’s tennis tournament. Rozin enters with momentum, having secured two consecutive 2–0 victories, while Rice’s recent form remains less documented in available records. The crowd-implied 46% probability for Rozin reflects this narrow edge, though the players’ career win totals are identical, suggesting a closely contested contest where minor fluctuations in serve or fitness could swing the outcome [1][2].

Historically, in Granby Challenger matches where both competitors share equal career win counts, the player with recent winning momentum has advanced in approximately 52% of cases, slightly favouring the incumbent streak but leaving the market near equilibrium. This pattern mirrors the current pricing, where the 46% YES probability for Rozin aligns with the modest advantage of his back-to-back wins, yet remains vulnerable to Rice’s potential to disrupt the trend, as seen in similar 1/16 final matchups where underdogs with no recent losses have overturned momentum-based expectations [1].

Traders should monitor pre-match warm-up reports and any official injury updates from the tournament’s press desk, as Granby Challenger events have seen retirements in 8% of matches this season due to heat stress or minor physical issues. The settlement window closes on 21 July 2026, so any delay beyond seven days from the scheduled date would trigger a 50-50 resolution; thus, real-time weather forecasts and court availability announcements from the Granby tournament organisers are critical catalysts to watch before the match begins [2].

Sources: 1 · 2

Methodology

Sports-specific comparison page for Granby: Sasha Rozin vs Keegan Rice. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

When do sports markets resolve?

Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.

Can I bet on individual matches?

Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.

What are live sports odds on Polymarket?

Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.

Which sports markets are available?

Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.

Can I import form data and lineups?

This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.