National Bank Open: Jacob Fearnley vs Adrian Mannarino

Platform comparison

Market context

Jacob Fearnley’s first-round meeting with Adrian Mannarino at the National Bank Open is priced as if the Briton is overwhelmingly likely to advance, even though the market is already fully settled at a 100% YES crowd view. The cleanest historical read is that Fearnley has the lone head-to-head win, beating Mannarino 6-3, 6-3 on indoor hard in Rennes in 2024, which gives traders at least one direct comparable rather than relying only on ranking gaps.[10][12]

The current numbers still leave room for match-specific volatility because the pair arrive from different stages of their careers: Fearnley is 25 and ranked around ATP 110, while Mannarino is 38 and ranked around ATP 47, with the match set on outdoor hard in Montréal.[1][3][11] That age and ranking spread favours Mannarino on paper, but preview sources still lean Fearnley, largely on recent form and the earlier head-to-head, so any price around certainty should be read as a statement about market positioning rather than a guarantee of outcome.[10][12][14]

The main catalysts to watch are simple: confirmation that the match actually starts, whether the schedule holds, and whether either player withdraws or retires before completion, because a no-contest or a delay beyond seven days would push settlement to 50-50 under the market rules. Live listings show the match as upcoming/under way on 4 August in Montréal, but tennis schedules can shift quickly with weather, court ordering, or late fitness news, so the decisive signal is still the official draw and in-play status.[5][8][11]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for National Bank Open: Jacob Fearnley vs Adrian Mannarino. 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.