Cincinnati Open: Juan Manuel Cerundolo vs Felix Auger-Aliassime

Platform comparison

Market context

Felix Auger-Aliassime is the clear market favourite for this Cincinnati Open match, with prediction-market pricing implying about 79% and sportsbook-style quotes clustering around the low-1.2s for Auger-Aliassime against roughly 4.5–5.0 for Juan Manuel Cerundolo. That leaves Cerundolo as a live but distinctly secondary side, which fits the wider analyst view from tennis preview sites that also lean heavily towards the Canadian, usually in straight sets.[1][2][3]

That kind of gap is not unusual in Masters 1000 first-week pairings where one player brings the higher ATP level and the other arrives as the lower-rated outsider. Cerundolo’s route into the round has already shown he can compete on hard courts in Cincinnati, but Auger-Aliassime’s baseline power and larger sample of top-level results make the posted line look more like a routine favourite price than a tight coin flip. For traders, the main watchpoints are simple: final match confirmation, any schedule shift caused by the tournament’s running order, and whether a live retirement, walkover or cancellation becomes more likely than an actual completion before the settlement window closes on 25 August.[1][4][5]

Current live and results feeds indicate the match was scheduled at Cincinnati and was in play on 18 August, so the key distinction for this contract is not pre-match uncertainty but whether it finished with a winner or slipped into a no-result path. If completion is recorded, the contract should follow the player who advances; if not played at all, or delayed beyond the seven-day window without a winner, the 50-50 fallback becomes relevant.[4][5]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Cincinnati Open: Juan Manuel Cerundolo vs Felix Auger-Aliassime 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 Best Prediction Markets, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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 Best Prediction Markets. 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.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.