Halle Open: Terence Atmane vs Martin Landaluce

Platform comparison

Active sub-markets

Market context

The Halle Open grass-court tournament in Halle an der Westfalen, Germany, will host a first-round match between French qualifier Terence Atmane and Spanish player Martin Landaluce on 15 June 2026. Atmane, ranked outside the top 200 as of early 2026, has competed primarily on the Challenger circuit; Landaluce similarly operates at ATP Challenger level with limited main-draw experience. The 0% implied probability reflects the market's current assessment that neither player has established sufficient track record or seeding status to generate trading activity, though both remain eligible competitors for the event's draw.

Historical patterns in grass-court qualifying matches show that markets on lower-ranked players often remain illiquid until draw confirmation and pre-match news flow materialise. Comparable first-round markets at Halle have typically seen probability shifts only after official ATP announcements confirm participation and injury status. The settlement window extends to 22 June, allowing seven days beyond the scheduled date for completion; any cancellation, tie, or delay beyond that threshold triggers a 50-50 resolution.

Traders should monitor the official ATP and Halle Open draw release, typically published 48–72 hours before the tournament begins. Grass-court form updates and any late withdrawals from either player will be critical catalysts. Weather disruptions are common at Halle in mid-June, potentially affecting scheduling. Confirmation of Atmane's or Landaluce's participation in qualifying rounds preceding this match will also influence market depth and probability movement.

Methodology

This page reviews Halle Open: Terence Atmane vs Martin Landaluce 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 Polymarket Legal UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

Where can I trade this market with the lowest fees?

On Polymarket Legal UK, 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.

What does it cost to trade on Polymarket Legal UK?

Zero. Polymarket Legal UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.