Canadian Open: Kamil Majchrzak vs Gael Monfils

Platform comparison

Market context

Polymarket is pricing **Gael Monfils at 76% YES** on this Canadian Open match contract, with settlement governed by its conditional-token structure on Polygon and funded in USDC. For traders, that means the key question is not the abstract tournament draw but whether Monfils advances against Kamil Majchrzak before the market’s resolution rules bite; if the match is not completed and a winner is not determined, the contract can still settle 50-50 under Polymarket’s event terms.[1]

That 76% sits above several external pre-match reads, which have generally leaned towards **Majchrzak** rather than Monfils. Dimers’ model put Majchrzak around 69-68% to win, while BetClan also published a 76% Majchrzak win projection; even where the exact number varies, the broad market consensus in those previews has not matched Polymarket’s current bias.[11][14][16] For a trader, that gap matters because prediction markets often reprice quickly when the crowd is forced to reconcile model-based previews with live schedule risk, withdrawals, or an on-court result that shifts the finishing probability.

The main catalysts are straightforward: whether the match is confirmed to start as scheduled, whether either player withdraws, and whether tournament timing slips beyond the seven-day window that would force a 50-50 settlement. Polymarket’s own event page says the market resolves to Monfils if he advances, to Majchrzak if Majchrzak advances, and to 50-50 if the match is cancelled, tied, or delayed too long without a winner.[1] Match listings and live-score trackers have been carrying the fixture as an active event, so any late change in the Canadian Open order of play, courtside conditions, or player availability is the practical trigger to watch.[2][7][17]

Sources: 1 · 2 · 3 · 4 · 5

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 PolyGram, which mirrors the Polymarket order book directly.

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 PolyGram. 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'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.

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.

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.