Granby: Nicolas Arseneault vs Andres Martin

Platform comparison

Market context

Nicolas Arseneault faces Andres Martin in the Granby Challenger on 13 July 2026, with the match set to begin at 14:00 UTC. The 19-year-old Canadian, ranked 674, enters as the underdog against the more experienced American, reflected in the crowd-implied 25% probability for Arseneault to advance. Betting markets outside prediction platforms echo this disparity, with Novibet pricing Martin at 1.30 and Arseneault at 3.35, suggesting a significant gap in perceived winning chances [8].

Historically, Challenger-level matches between players with equal career wins but divergent rankings often resolve closer to the higher-ranked opponent’s implied probability, unless the lower-ranked player has recent momentum. Arseneault’s career-high ranking of 491, achieved in August 2025, indicates potential, but his recent loss to Henry Searle in Little Rock weakens the case for a breakout [2][4]. Comparable cases show that when a sub-500-ranked player faces a top-300 opponent with no prior H2H, the market tends to stabilise near the bookmaker odds, making the 25% figure a reasonable, if slightly optimistic, assessment [1].

Traders should monitor the official ATP draw confirmation and any pre-match injury reports, as Challenger tournaments frequently see late withdrawals or schedule shifts. The match is listed in the Granby draw alongside players like Aleksandar Vukic and Liam Broady, confirming both are entered [3]. With the settlement window ending 2026-07-20, any delay beyond seven days without a winner triggers a 50-50 resolution, a risk that conditional order bots must account for. Programmatic approaches should integrate live score feeds from Sofascore or TennisLive to auto-execute if the match starts but is abandoned mid-play [6][5].

Sources: 1 · 2 · 3 · 4 · 5

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 Polymarket Review UK, 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 Polymarket Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

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 Polymarket Review UK 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.