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National Bank Open: Xiyu Wang vs Sara Bejlek

How the prediction market is pricing "National Bank Open: Xiyu Wang vs Sara Bejlek" right now — Polymarket mid plus comparison with Betfair and Manifold.

Completed Match 100% National Bank Open: Xiyu Wang vs Sara Bejlek Total Sets: O/U 2.5 100% National Bank Open: Xiyu Wang vs Sara Bejlek Set 2 Winner 100% National Bank Open: Xiyu Wang vs Sara Bejlek Match O/U 21.5 100% Volume: $614K Closes: 10 Aug 2026
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National Bank Open: Xiyu Wang vs Sara Bejlek

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Champions League Prediction) Pick
polygram.ink (preferred broker)
100% 0% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle See live odds →
Polymarket (direct)
polymarket.com
100% 0% 0% Geo-blocked in US/UK/EU USDC, on-chain See live odds →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD See live odds →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR See live odds →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) See live odds →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
Completed Match100%
National Bank Open: Xiyu Wang vs Sara Bejlek Total Sets: O/U 2.5100%
National Bank Open: Xiyu Wang vs Sara Bejlek Set 2 Winner100%
National Bank Open: Xiyu Wang vs Sara Bejlek Match O/U 21.5100%
National Bank Open: Xiyu Wang vs Sara Bejlek Set 2 O/U 8.5100%
National Bank Open: Xiyu Wang vs Sara Bejlek Set 1 O/U 8.5100%
National Bank Open: Xiyu Wang vs Sara Bejlek Match O/U 22.5100%
National Bank Open: Xiyu Wang vs Sara Bejlek Set 2 O/U 9.5100%
National Bank Open: Xiyu Wang vs Sara Bejlek Match O/U 23.5100%
National Bank Open: Xiyu Wang vs Sara Bejlek0%
National Bank Open: Xiyu Wang vs Sara Bejlek Set 1 Winner0%
National Bank Open: Xiyu Wang vs Sara Bejlek Set Handicap +/-1.50%
National Bank Open: Xiyu Wang vs Sara Bejlek Set 1 O/U 9.50%
National Bank Open: Xiyu Wang vs Sara Bejlek Set Handicap +/-1.50%
National Bank Open: Xiyu Wang vs Sara Bejlek Set 1 O/U 10.50%
National Bank Open: Xiyu Wang vs Sara Bejlek Set 2 O/U 10.50%

Market context

Xiyu Wang and Sara Bejlek are due to meet in the first round of the National Bank Open on outdoor hard courts in Toronto, with Bejlek currently the higher-ranked player at WTA No. 38 and Wang at No. 94.[1][2][4] That ranking gap is the main reason the market has Bejlek priced as the likely winner, but the 0% YES line is too extreme for a match at this stage of a WTA 1000 draw, where first-round volatility is common and one break sequence can flip the result quickly. Their head-to-head is listed as 0-0, so there is no direct prior meeting to anchor the matchup.[2][3]

Recent form gives traders a clearer split. Bejlek’s recent results show a much stronger hard-court run, including deeper progress in recent events and a rise to a career-high ranking of 38, while Wang’s recent stretch includes a three-set loss to Caty McNally in Memphis and a profile built partly on the ITF circuit after injury interruptions.[2][5][7] Wang’s upside is that she has also pieced together strong wins earlier this season, but the market is still reading her as the underdog against a player who has banked more WTA-level consistency in 2026.[7][15]

The main catalysts are scheduling and any late change to the line-up, because the match is listed for 2 August in Toronto and several feeds already show it as live or upcoming, which usually means it is close to going on court.[1][4][10][16] Traders should also watch for any retirement or walkover risk in a compact WTA 1000 schedule, since a match that is not completed can still resolve through advancement rules or a 50-50 if it is not played within the settlement window. There are no head-to-head injury flags in the published listings, so the key market move will likely come from who is confirmed fit and first to settle into the Toronto conditions.[1][2][5]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for National Bank Open: Xiyu Wang vs Sara Bejlek. 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

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.
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