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National Bank Open: Zizou Bergs vs Sebastian Baez

Comparison of odds and platforms for "National Bank Open: Zizou Bergs vs Sebastian Baez" — sourced live from the Polymarket order book, curated by Prediction Today.

National Bank Open: Zizou Bergs vs Sebastian Baez 100% Completed Match 100% National Bank Open: Zizou Bergs vs Sebastian Baez Total Sets: O/U 2.5 100% National Bank Open: Zizou Bergs vs Sebastian Baez Match O/U 21.5 100% Volume: $212K Liquidity: $514K Closes: 13 Aug 2026
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National Bank Open: Zizou Bergs vs Sebastian Baez

Platform comparison

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

Outcome probabilities

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

OutcomeProbability
National Bank Open: Zizou Bergs vs Sebastian Baez100%
Completed Match100%
National Bank Open: Zizou Bergs vs Sebastian Baez Total Sets: O/U 2.5100%
National Bank Open: Zizou Bergs vs Sebastian Baez Match O/U 21.5100%
National Bank Open: Zizou Bergs vs Sebastian Baez Set 1 O/U 8.5100%
National Bank Open: Zizou Bergs vs Sebastian Baez Set 2 O/U 8.5100%
National Bank Open: Zizou Bergs vs Sebastian Baez Match O/U 22.5100%
National Bank Open: Zizou Bergs vs Sebastian Baez Set 2 Winner100%
National Bank Open: Zizou Bergs vs Sebastian Baez Match O/U 23.5100%
National Bank Open: Zizou Bergs vs Sebastian Baez Set 1 Winner0%
National Bank Open: Zizou Bergs vs Sebastian Baez Set Handicap +/-1.50%
National Bank Open: Zizou Bergs vs Sebastian Baez Set 1 O/U 9.50%
National Bank Open: Zizou Bergs vs Sebastian Baez Set 2 O/U 9.50%
National Bank Open: Zizou Bergs vs Sebastian Baez Set 1 O/U 10.50%
National Bank Open: Zizou Bergs vs Sebastian Baez Set 2 O/U 10.50%

Market context

The match between Zizou Bergs and Sebastián Báez is still on the board for Montreal, with current listings showing a scheduled hard-court second-round meeting on 5 August and no sign that it has been pulled or replaced in the draw. Bergs is ranked higher than Báez in the live pre-match listings, and the head-to-head is 1-0 to Bergs, with that lone meeting coming on hard court in Antwerp in 2024.[1][2][3][13]

That history matters because the market is sitting at a crowd-implied 100% YES, which is only easy to justify if traders are treating Bergs as the obvious advancement candidate rather than a literal certainty. The comparable frame is narrow: these players have met once, on a hard surface, and Bergs won in straight sets, so the pricing is leaning heavily on that prior result and on surface fit rather than on a deep sample.[3][4][14]

The main things to watch are match-order changes, any late withdrawal or walkover notice, and whether Montreal’s schedule shifts because of weather or court backlog. Official tournament and live-score listings had the fixture set for 5 August, but some third-party feeds differed on the exact court and start time, which is a reminder to monitor the official draw and day schedule rather than assuming the published slot is final.[1][6][8][17]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews National Bank Open: Zizou Bergs vs Sebastian Baez across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Today, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

UK Frequently Asked Questions

Is this market available outside the US?
Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
How does resolution work?
Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
Is Polymarket legal in the UK?
Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
Do I pay tax on prediction market profits in the UK?
UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
How do I deposit on Polymarket from the UK?
UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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