Wimbledon, Qualification ATP: Francesco Maestrelli vs Max Basing

Platform comparison

Active sub-markets

Market context

Francesco Maestrelli and Max Basing are set to contest the first qualifying round of the ATP Wimbledon Championships on 22 June 2026, with the match scheduled for 10:30 ET. The prediction market currently implies a 0% chance that Maestrelli advances, a stark divergence from major sportsbooks like FanDuel and SportyTrader, which list Maestrelli as a viable contender rather than a non-entity. This 0% implied probability suggests the market may be pricing in a cancellation or a severe injury before play begins, contrasting sharply with analyst consensus that views the match as a standard, competitive qualifier between two professional players.

Historically, prediction markets assigning 0% probability to a scheduled tennis match have only resolved correctly when the event was officially cancelled due to extreme weather or player withdrawal, as seen in the 2022 Wimbledon qualifiers where multiple matches were scrapped. In comparable cases where odds diverged this wildly between sportsbooks and prediction markets, the resolution often favoured the sportsbook line, indicating the 0% figure was an anomaly rather than a reflection of match reality. Traders should monitor official ATP Tour announcements and local London weather forecasts for the next 24 hours, as a cancellation notice would be the primary catalyst for this market to resolve to the 50-50 tie clause. Recent coverage on Tennis.com confirms both players are listed as active for the qualifying round, reinforcing that the 0% probability likely stems from a liquidity error rather than a factual withdrawal [5].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Wimbledon, Qualification ATP: Francesco Maestrelli vs Max Basing 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

Where can I trade this market with the lowest fees?

On Best Prediction Markets UK, 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.

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 Best Prediction Markets UK?

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

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets UK triggers a quick verification flow that finishes in 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.