Mallorca Championships: Adam Walton vs Alejandro Davidovich Fokina

Platform comparison

Active sub-markets

Market context

The real-world event is the first-round tennis match between Adam Walton and Alejandro Davidovich Fokina at the Mallorca Championships, scheduled for 6:00 AM ET on 24 June 2026. In prediction markets, a YES share pays out if the market resolves to the selected outcome (here, Adam Walton advancing), while a NO share pays out if that outcome does not happen. This specific market currently shows a 0% crowd-implied probability for YES, suggesting traders believe Walton is extremely unlikely to win or advance against Fokina.

Historically, similar 0% probabilities in tennis markets have occurred when a lower-ranked player faces a top-tier opponent on a surface favouring the favourite, such as grass courts where Fokina’s speed and net play shine. Past ATP 250 grass events, including the 2025 Mallorca Championships, show that unranked or debut players rarely overcome established stars in straight sets, often leading to markets pricing them out entirely. These comparable cases frame the current probability as a reflection of skill disparity and surface suitability rather than an absolute certainty.

Traders should monitor the official daily schedule for any delays or cancellations due to weather, as the tournament runs from 20–27 June with matches subject to change based on court availability and match durations[1]. Key catalysts include the ATP Tour’s live results page for Walton’s and Fokina’s recent form, and any pre-match injury announcements from the Mallorca Championships official site[4]. With the settlement window ending 1 July 2026, traders must watch for updates on whether the match proceeds as planned or resolves to the 50-50 tie condition if delayed beyond seven days.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Mallorca Championships: Adam Walton vs Alejandro Davidovich Fokina on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

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.

What does it cost to trade on Prediction Market UK?

Zero. Prediction Market UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.