Lexus Eastbourne Open, Qualification: Marcos Giron vs Jan Choinski

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Active sub-markets

Market context

Polymarket is pricing **Marcos Giron at 100% YES** for this Eastbourne qualifying contract, which on the market mechanics means traders are treating Giron as the overwhelmingly likely advance on the Polygon-based, USDC-settled conditional token. That is an extreme price for a single tennis qualifier, so the contract is effectively behaving like a near-certain one-sided ticket rather than a balanced toss-up.

The comparable market frame points the same way. Independent tennis previews and bookmaker-style listings have Giron as a clear favourite, with Tennis Tonic naming him the pick and quoting opening prices around **1.26 for Giron** versus **3.4 for Choinski**.[1] Live score listings and tournament boards also place the meeting in the Eastbourne qualifying draw, with Giron holding the stronger ATP ranking profile in the published pre-match data.[3][4][5] For Polymarket users, that matters because a 100% YES price can still be exposed to settlement edge cases: if the match is not completed, is cancelled, or is delayed beyond the market’s seven-day window without a winner, the contract can settle at **50-50** rather than a win for either side.

The main things to watch are straightforward: official draw updates, whether the qualifying match is actually started, and any postponement caused by grass-court scheduling or weather. ESPN’s tournament scoreboard and Sofascore both list the fixture as part of the Eastbourne qualifying round on 21 June, which is useful for confirming whether it remains live on the schedule or is moved, suspended, or scrubbed.[4][5] For traders, the relevant Polymarket question is not just who is stronger on paper, but whether the on-chain outcome event is cleanly completed before the settlement deadline.

Sources: 1 · 2 · 3 · 4 · 5

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

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

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket 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.