National Bank Open: Learner Tien vs Gael Monfils

Platform comparison

Market context

Polymarket is pricing Learner Tien at **74%** to advance over Gael Monfils, which implies the contract is trading close to a three-in-four chance on USDC-settled, Polygon-based conditional tokens. That is broadly aligned with the wider betting market, where Tien is also the clear favourite across sportsbook and model-led previews, with listed prices commonly around the low-70s to mid-70s in implied probability terms.[16][17][1]

That sort of pricing is consistent with how traders have read similar ATP matchups when a younger, higher-ranked player faces an older wildcard entrant: the market usually anchors to ranking, recent form and physical load, then adjusts if the favourite has looked vulnerable in preceding rounds. Here, Tennis Temple lists Tien at ATP No. 12 and Monfils as a wildcard much further down the rankings, while multiple previews also point to Tien as the expected winner in straight sets or by a comfortable margin.[2][5][8] On Polymarket, though, the relevant question is not whether Tien is “better” in the abstract, but whether he actually advances under the contract’s settlement rules.

The main catalysts are straightforward: official match scheduling, any start-time change, and whether the match is completed or resolved by retirement, walkover, cancellation or delay. Flashscore and other live match pages have already listed the fixture around 6 August local time, suggesting the event is close enough that late withdrawals, rain interruptions or venue timing changes could still matter for settlement.[4][12][15] Traders should also watch for any update from the tournament draw or scoreboard feed, because if the match is not played at all, or is delayed beyond the market’s seven-day window without a winner, the outcome can fall back to the contract’s 50-50 resolution rather than either player winning outright.

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

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.

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.

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.

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.