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Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo

Comparison of odds and platforms for "Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo" — sourced live from the Polymarket order book, curated by Prediction Today.

Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set 1 Winner 100% Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set 1 O/U 8.5 100% Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set 2 O/U 8.5 100% Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set 1 O/U 9.5 100% Volume: $938K Liquidity: $304K Closes: 23 Aug 2026
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Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo

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
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set 1 Winner100%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set 1 O/U 8.5100%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set 2 O/U 8.5100%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set 1 O/U 9.5100%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set 2 O/U 9.5100%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set 2 O/U 10.5100%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Match O/U 23.598%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Total Sets: O/U 2.575%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Match O/U 21.575%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Match O/U 22.575%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo58%
Completed Match50%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set Handicap +/-1.525%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set 2 Winner0%
Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo Set 1 O/U 10.50%

Market context

The Cincinnati Open men's draw takes shape this week, with Rinderknech and Cerundolo positioned for a potential second-round encounter on 16 August. Rinderknech, the French left-hander ranked around 40th, has shown inconsistent form through 2026 but performs reasonably on hard courts where Cincinnati is contested. Cerundolo, the Argentine with a similar ranking trajectory, reached the Cincinnati quarter-finals in 2024 and has steadied his ranking through consistent Challenger-level performances. The 59% crowd lean towards Rinderknech suggests modest confidence in the seeding advantage or recent tournament results, though neither player commands the form profile of a clear favourite at this stage of the season.

Head-to-head records between mid-ranked players like these are sparse; they've met once on the ATP tour with Cerundolo taking that encounter. Recent hard-court form matters considerably—Rinderknech has won two of his last five hard-court matches, whilst Cerundolo's August preparation typically involves either late-summer tournaments or direct Cincinnati entry. The settlement window closes 7 days after the scheduled date, meaning delays beyond 23 August trigger a 50-50 resolution. Weather disruptions at Cincinnati are possible but uncommon in mid-August; the primary risk remains match cancellation due to injury or withdrawal during the opening rounds.

Methodology

This page reviews Cincinnati Open: Arthur Rinderknech vs Juan Manuel Cerundolo 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

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Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
What's the difference between YES and NO shares?
A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
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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.
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