Mallorca Championships: Adam Walton vs Nick Kyrgios

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Market context

Adam Walton is due to face Nick Kyrgios in the first round at Mallorca, an ATP 250 event on grass, with the listed start time on sportsbook markets set for 11:30am ET and live-match listings placing it around 15:30 UTC on Centre Court.[1][6][9] The prediction market’s 100% YES implies the contract is priced as a near-certain Walton advance, which is a striking divergence from the public tennis preview and odds screens, both of which treat Kyrgios as the more likely winner.[1][2][3][4]

That gap matters because comparable pre-match tennis markets usually swing on fitness and entry risk rather than head-to-head history, and here the players have no recorded prior meeting to anchor pricing.[7] The external preview consensus is also materially one-sided: The Stats Zone and Sportskeeda both tip Kyrgios to win in straight sets, while comparison pages show ordinary sportsbook-style prices rather than anything approaching a sure thing for Walton.[1][2][4] In other words, the market is not aligned with the mainstream read of the match-up.

The main catalysts to watch are any late withdrawal, walkover, or schedule change, because those can be decisive for a contract that resolves on whether Walton advances rather than on pre-match sentiment.[1][6][9] With live listings already active and the tournament’s player page carrying both names, traders should watch for official draw updates, centre-court scheduling changes, and any injury or retirement news before the match starts.[6][8] If the fixture is postponed materially, the market’s own rules also create a fallback path to a 50-50 resolution if no winner is determined within seven days of the scheduled date.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets, 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

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On Best Prediction Markets, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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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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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.