National Bank Open: Nikola Bartunkova vs Bianca Andreescu

Platform comparison

Market context

Nikola Bartunkova and Bianca Andreescu were scheduled to meet in the first round of the National Bank Open, and the market is effectively pricing in a completed Bartunkova advance. The main reason to be cautious with a 100% crowd-implied probability is that tennis match markets can still resolve to 50-50 if the match is postponed beyond the seven-day settlement window or is not completed after starting, even when one player is strongly favoured on paper.

The comparable form case is mixed but not one-sided. There is no prior tour-level head-to-head, so traders have to lean on recent output: Bartunkova has won five of her last seven tournaments’ opening matches and collected her first two WTA 1000 wins in Rome this year, while Andreescu’s recent Canadian Masters record is noted at 4-3 in opening rounds, including her 2019 Toronto title run.[2][8][14] On season-level numbers, Bartunkova and Andreescu are both winning more than half their matches overall, but Bartunkova’s hard-court sample and recent first-round resilience make the matchup less absolute than a 100% price suggests.[5][12]

The main catalysts are straightforward: official start time, any weather-related delay, and whether either player is withdrawn before play begins. The National Bank Open match page shows the fixture as an upcoming women’s singles first-round contest, while live score services list no completed head-to-head and no match stats yet, which means the settlement outcome still depends on the event actually getting underway and being finished within the window.[7][11][16] Andreescu’s availability is the key dependency because any late pull-out or suspension would change the market from a straightforward match result into a non-completion case.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for National Bank Open: Nikola Bartunkova vs Bianca Andreescu. 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.

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.

How fast do sports winnings settle?

Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.

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.