Wimbledon ATP: Jan-Lennard Struff vs Sebastian Baez

Platform comparison

Market context

Jan-Lennard Struff faces Sebastian Baez in the first round of the 2026 Wimbledon Men’s Singles, with the match set to begin at 13:00 BST on Monday, 29 June. The crowd-implied probability of 100% that Struff advances reflects a stark consensus among analysts and betting models, who view the German grass-court specialist as a clear favourite against the Argentine, whose form on turf remains historically weak.

Historical head-to-head data and comparable Wimbledon matchups frame this probability with caution: Struff holds a 1–0 advantage over Baez, and past encounters between players of similar profiles on grass have often produced decisive outcomes favouring the more experienced server. Betting models from Tennis Tonic and Dimers assign Struff a 72–73% win probability, with odds of 1.25 and –260 respectively, suggesting the 100% market price may be inflated relative to statistical likelihood[1][2].

Traders should monitor live serve statistics, first-serve percentages, and any pre-match injury updates, as Baez’s grass-court struggles—highlighted by Flashscore’s note on his “disappointing 11–17” record on turf—could persist if Struff maintains his aggressive net play[9]. With the settlement window ending 6 July 2026, conditional orders and copy-trading bots should be configured to react to set-level momentum shifts, particularly if Baez fails to convert break points in the opening set.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Wimbledon ATP: Jan-Lennard Struff vs Sebastian Baez 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

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket App UK. 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.

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?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket App UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.