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Cincinnati Open: Brandon Nakashima vs Daniil Medvedev

Five-platform snapshot of "Cincinnati Open: Brandon Nakashima vs Daniil Medvedev" — live Polymarket pricing, plus how Kalshi, Betfair and Manifold structure the same contract.

Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Set 1 O/U 8.5 65% Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Match O/U 21.5 61% Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Set 1 O/U 9.5 58% Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Match O/U 22.5 54% Volume: $146K Liquidity: $208K Closes: 25 Aug 2026
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Cincinnati Open: Brandon Nakashima vs Daniil Medvedev

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via Who Will Win) Pick
polygram.ink (preferred broker)
65% 35% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Live odds →
Polymarket (direct)
polymarket.com
65% 35% 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
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Set 1 O/U 8.565%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Match O/U 21.561%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Set 1 O/U 9.558%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Match O/U 22.554%
Completed Match50%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Set 2 O/U 8.550%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Set 2 O/U 9.550%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Set 2 O/U 10.550%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Set 1 Winner49%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Match O/U 23.549%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Set 2 Winner48%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev45%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Total Sets: O/U 2.544%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Set 1 O/U 10.535%
Cincinnati Open: Brandon Nakashima vs Daniil Medvedev Set Handicap +/-1.533%

Market context

Brandon Nakashima faces Daniil Medvedev in a Cincinnati Open encounter scheduled for August 2026. The crowd-implied probability of 46% for Nakashima reflects a near-even matchup, though Medvedev enters as the seeded favourite in most hard-court tournaments. Nakashima, ranked in the 20s, has shown improvement on faster surfaces but remains inconsistent against top-10 opposition. Medvedev's baseline control and defensive range typically favour him in best-of-three formats, yet the American's serve development and aggressive court positioning have narrowed the historical gap between them.

Medvedev holds a 3–1 head-to-head record against Nakashima, with their most recent meeting in 2024 going to three sets. That encounter illustrated Nakashima's capacity to compete when serving well and attacking the net, though Medvedev's consistency in extended rallies proved decisive. Cincinnati's hard courts suit both players, though Medvedev's movement efficiency on this surface has historically translated to higher first-serve percentages and fewer break-point conversions against him. The 46% probability for Nakashima suggests the market is pricing in his underdog status fairly, with limited edge apparent unless recent form data—tournament results in the weeks preceding August 18—shifts the narrative toward either player's current trajectory.

Traders should monitor Nakashima's performance at Masters 1000 events in the lead-up to Cincinnati and any injury reports affecting either player's preparation. Medvedev's recent tournament results and serve velocity metrics will signal whether he arrives in form; similarly, Nakashima's success rate in tiebreaks and conversion of break points in prior matches will indicate whether the 46% underdog price holds value or requires adjustment.

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Who Will Win, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

UK Frequently Asked Questions

Where can I trade this market with the lowest fees?
Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Who Will Win. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
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.
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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