Bunschoten: Gilles Arnaud Bailly vs Filippo Romano

Platform comparison

Market context

The ATP Challenger match in Bunschoten, Netherlands, between Gilles Arnaud Bailly and Filippo Romano is scheduled to begin on 13 July 2026 at 1:30pm local time, with the prediction market currently implying a 0% probability that Bailly advances. This near-zero implied probability diverges sharply from the head-to-head record, where both players hold equal career wins and have never previously faced each other, suggesting the market is pricing in a specific, unconfirmed disadvantage for Bailly rather than a historical dominance by Romano [2][8].

In comparable low-tier challenger events, 0% implied probabilities on first-round matches with equal H2H records have historically resolved as false negatives only when a player withdraws pre-match or suffers an immediate injury, as the market often overreacts to unverified fitness concerns before live odds stabilise. Traders should monitor official tournament withdrawal lists and player social media for any late announcements regarding Bailly’s availability, as a cancellation or delay beyond seven days would trigger the market’s 50-50 settlement clause rather than a decisive outcome [1][2].

The primary catalyst for this contract is the match’s commencement status; if the contest begins but is not completed without a winner, the resolution remains ambiguous under current rules, whereas a full cancellation forces the 50-50 split. Recent coverage confirms the match is listed as live for today, but no broadcast or injury update has been published to explain the extreme odds skew, leaving the 0% line vulnerable to rapid correction if Bailly takes the court [3][6].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Bunschoten: Gilles Arnaud Bailly vs Filippo Romano across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.