Mallorca Championships: Nuno Borges vs Ethan Quinn

Platform comparison

Active sub-markets

Market context

The underlying event is the Mallorca Championships grass-court tennis match between Nuno Borges and Ethan Quinn, scheduled for 9:00 AM ET on 26 June 2026, where the market resolves to the player who advances. Borges, currently ranked No. 50, has shown strong grass form recently, winning straight sets against Terence Atmane at the Libema Open in ’s-Hertogench in June 2026 and defeating Adrian Mannarino in Mallorca’s R32 on grass just days prior[4][5]. His career win percentage stands at 66.24%, with notable Grand Slam progress including a fourth-round Australian Open appearance in 2024 and third-round French Open runs in 2025 and 2026[1].

Historically, 0% crowd-implied probabilities in tennis markets often signal either a severe injury, withdrawal, or extreme mismatch in recent form—yet Borges’ current grass results contradict a total collapse, suggesting the zero may reflect unconfirmed withdrawal news rather than on-court inability. Comparable cases include matches where top players were listed but withdrew hours before play, leaving markets frozen at 0% until official confirmation. Traders should monitor ATP Tour announcements for Quinn’s participation status, as no recent match record for Quinn appears in current databases, raising withdrawal concerns[6]. The key catalyst is the official draw confirmation or withdrawal notice expected before the 9:00 AM ET start, with the settlement window closing 2026-07-03 if unresolved.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Mallorca Championships: Nuno Borges vs Ethan Quinn 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 Champions League Prediction — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

On Champions League Prediction, 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.

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.

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.