Libema Open: Jaume Munar vs Martin Damm

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Market context

The Libema Open grass-court tournament in 's-Hertogenbosch will host a first-round encounter between Spanish left-hander Jaume Munar and Czech veteran Martin Damm during the week of 9 June 2026. Munar, ranked in the 80s on the ATP, has competed sporadically on grass in recent seasons, with limited success at tour level on the surface. Damm, now in his late 40s, has transitioned primarily to doubles competition but occasionally enters singles draws at lower-tier events; his last meaningful ATP singles run occurred over a decade ago. The 0% implied probability reflects the substantial uncertainty around whether both players will actually compete, given Damm's age and limited current singles schedule.

Historical precedent suggests that matches involving players at career twilight or those with inconsistent tour participation carry elevated cancellation risk. Damm's participation in particular warrants close monitoring; he has withdrawn from scheduled commitments in prior seasons. The Libema Open typically confirms its full draw by early June, making the official entry list the critical catalyst. Traders should track ATP and tournament announcements through May and early June for withdrawal news or late replacements. Munar's grass-court preparation schedule—whether he contests warm-up events beforehand—will also signal his readiness. Any injury reports affecting either player in the fortnight before 9 June could shift probabilities substantially, particularly given Damm's age-related injury susceptibility.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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

Is this market available outside the US?

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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.

What does it cost to trade on Champions League Prediction?

Zero. Champions League Prediction 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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Champions League Prediction triggers a quick verification flow that finishes in minutes.