Canadian Open: Juan Manuel Cerundolo vs Hamad Medjedovic

Platform comparison

Market context

Juan Manuel Cerúndolo against Hamad Medjedovic is a first-round Canadian Open match that the crowd is pricing as effectively certain to produce a winner, with the contract sitting at 100% YES. That is far stronger than the sportsbook picture: Sportsbet has Medjedovic at 1.55 and Cerúndolo at 2.37, which implies a Medjedovic edge but not a locked outcome, while the prediction market’s price suggests near-total confidence in one side advancing.[20]

The historical frame does not point to an upset being impossible, but it does favour Medjedovic. Medjedovic leads the head-to-head 2-0, and both meetings were on clay at Roland Garros in 2023 and 2025, where he won in straight-sets style in the latest meeting.[1][3][18] Analyst-style previews also lean his way, with The Stats Zone tipping Medjedovic to win, although several stat sites note Cerúndolo’s stronger chance comes when conditions become physically demanding and tax Medjedovic’s fitness.[12][1] That makes the market’s extreme YES reading hard to square with the broader odds landscape, which is much closer to a Medjedovic win being likely than certain.[20]

Traders should watch for any official schedule change, because the market only pays out on a completed result and flips to 50-50 if the match is not played or is delayed beyond seven days from the scheduled date. Live listings currently place the match at Court 9 in Montréal, but third-party scoreboards have shown slightly different start times, so confirmation from the tournament draw order matters.[6][5][7] Weather can also matter: commentators have already linked rain and damp conditions to a less physically punishing match, which would generally help Medjedovic rather than Cerúndolo.[1][10]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Canadian Open: Juan Manuel Cerundolo vs Hamad Medjedovic across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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 UK. 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.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

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