National Bank Open: Frances Tiafoe vs Marin Cilic

Platform comparison

Market context

Frances Tiafoe’s second-round meeting with Marin Cilic in Montreal sits on a straightforward hard-court setup, but the price is being pulled in two directions: Tiafoe is the higher-ranked player and the market has pushed him to a heavy favourite, while Cilic still owns the clean head-to-head edge from their only two previous meetings in 2017 and 2018.[1][2][18][20] Those earlier wins for Cilic are useful only as a historical frame, though, because they came years ago and on a different stage; more recent previews note that the pair have not met on hard court before and that the gap in age and ranking now favours Tiafoe’s athletic baseline game.[1][2]

The current 100% implied probability reflects a market that is behaving as if the match will be played and Tiafoe will advance, but traders still need to watch for the practical catalysts that can reset a tennis market: schedule shifts, withdrawals, and any injury or illness reports before first serve.[5][17] Cilic arrived off a routine opening-round win over Sho Shimabukuro, while Tiafoe’s recent form heading into Montreal included a loss in Washington, so any late fitness note or court-time update would matter more than the stale head-to-head.[1][2] The match was scheduled for centre court at about 7:00 pm ET on 4 August, so a delay or abandonment would be the main route to a non-standard settlement rather than a clean upset.[2][17]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for National Bank Open: Frances Tiafoe vs Marin Cilic. 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 (US-focused) or Manifold (play-money).

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

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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.