Tampere: Gauthier Onclin vs Tom Gentzsch

Platform comparison

Market context

Gauthier Onclin’s quarter-final against Tom Gentzsch in Tampere has no ATP-level head-to-head history, so the market is leaning on relative form rather than any direct matchup data. Tennis Stats lists no previous meeting and shows Onclin with the stronger year-to-date record, winning 38 of 48 matches in 2026 versus Gentzsch’s 27 of 44, while also noting that Onclin has been the better performer over the last 12 months overall.[1]

The 100% implied probability for Onclin is far more extreme than the pre-match price signals in the wider market data, which makes the main question whether this is reflecting an update after a confirmed walkover, withdrawal or scheduling change rather than pure tennis strength. Tennis Tonic’s pre-match preview had Onclin as only a moderate favourite, and tennis.com’s match page also framed it as close, projecting Onclin at 48% and Gentzsch at 52% before play.[3][4]

For traders, the key catalysts are whether the Tampere order of play has shifted, whether either player has been ruled out, and whether the quarter-final is actually completed within the settlement window. The market terms mean any cancellation, tie, or delay beyond seven days would push resolution to 50-50, so the decisive factor is not just who is favoured but whether a winner is formally recorded in time.[4][5]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Tampere: Gauthier Onclin vs Tom Gentzsch. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi (US-focused) or Manifold (play-money).

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

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Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.

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How fast do sports winnings settle?

Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.

What's the difference between match odds and outright odds?

Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.

Can I import form data and lineups?

This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.