Libema Open: Felix Auger-Aliassime vs Kamil Majchrzak

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Market context

The Libema Open grass-court tournament in 's-Hertogenbosch will host a first-round encounter between Canadian Felix Auger-Aliassime and Polish qualifier Kamil Majchrzak on 12 June 2026. The 0% implied probability reflects Auger-Aliassime's substantial ranking advantage and recent form trajectory, though the settlement window extends to 19 June to account for potential weather delays on the Dutch grass circuit.

Auger-Aliassime has established himself as a consistent top-20 player with multiple ATP titles, whilst Majchrzak typically operates outside the top 100 and has qualified for this event rather than receiving a direct draw position. Historical matchups between seeded players and qualifiers at grass tournaments show the higher-ranked player advances roughly 85% of the time, particularly when the ranking gap exceeds 50 positions. Majchrzak's best performances have come on clay surfaces; his grass-court record remains limited, presenting a structural disadvantage against an opponent with established serve-and-volley capabilities suited to the surface.

Traders should monitor any late withdrawals or injury updates in the 48 hours preceding the match, as early-round cancellations occasionally occur at smaller ATP events. The Libema Open's scheduling typically avoids weather disruptions in mid-June, though the settlement clause extending seven days beyond the original date provides protection against rare postponements. No significant ranking changes or recent tournament results for either player are expected to shift the baseline assessment before the scheduled start time.

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 Prediction Today, 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?

On Prediction Today, 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.

Is this market available outside the US?

Prediction Today is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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 Today?

Zero. Prediction Today 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, Prediction Today triggers a quick verification flow that finishes in minutes.