Kosice: Guido Justo vs Lilian Marmousez

Platform comparison

Active sub-markets

Market context

Guido Justo and Lilian Marmousez are scheduled to meet in Kosice on 25 May 2026 in what appears to be a lower-tier professional or satellite circuit event. The 0% implied probability suggests either significant uncertainty about the match's occurrence, limited liquidity in the market, or a perceived mismatch in player capability that has discouraged trading activity. The settlement window closes 1 June 2026, allowing a six-day buffer beyond the scheduled date before any delay-related 50-50 resolution triggers.

Historical precedent from satellite and Challenger-level tennis shows that matches at this tier experience cancellation or postponement at rates substantially higher than ATP or WTA main tour events, particularly when scheduled at unconventional times (the 4:00 AM ET slot suggests European morning hours). Venue-specific factors—court availability, weather patterns in Slovakia during late May, and tournament draw logistics—have historically influenced completion rates. The absence of either player's name in recent major tournament draws or news coverage suggests limited public information, which typically correlates with lower-tier circuit matches where match-day changes occur without advance notice.

Traders should monitor official Kosice tournament announcements for draw confirmations and any schedule adjustments in the week preceding 25 May. Player injury reports or late withdrawals from the event would be critical catalysts; such information typically emerges through ATP or WTA databases rather than mainstream sports media. Confirmation that both players have arrived and cleared any pre-match protocols would reduce the likelihood of a no-contest resolution.

Methodology

This page reviews Kosice: Guido Justo vs Lilian Marmousez across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, 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?

PolyGram 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.

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, PolyGram triggers a quick verification flow that finishes in minutes.