National Bank Open: Jacob Fearnley vs Adrian Mannarino

Platform comparison

Market context

Jacob Fearnley against Adrian Mannarino is a first-round hard-court meeting in Montreal, with the market currently pricing a near-certain Fearnley advance despite the broader pre-match picture being more balanced on paper. Public match pages list Mannarino as the higher-ranked player at ATP No. 47, with Fearnley at No. 110, but the head-to-head favours the Briton 1-0 after Fearnley beat Mannarino 6-3, 6-3 at Rennes in 2024[1][3][10][12]. That prior meeting matters because it is the only direct comparison, and it came on an indoor hard court, which is still a useful comparator for conditions in Montreal[1][10][12].

For traders, the key catalyst is whether the draw actually holds and the match is completed within the settlement window, because this market resolves 50-50 if the fixture is cancelled, ends level, or is delayed beyond seven days without a winner[1]. Coverage pages show the match listed for the National Bank Open in Montreal on an outdoor hard court, with Fearnley’s projected win probability materially above Mannarino’s in some previews, while live listings indicate the match was due to start on 3–4 August and may be subject to schedule movement[1][3][5][8][11][14]. Recent previews also note Fearnley arriving with stronger headline momentum, including a title and a final on his recent record, whereas Mannarino’s season has not produced the same level of form[10][12].

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

Are prediction markets better than sports betting?

Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.

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's the difference between match odds and outright odds?

Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.

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.