Swiss Open: Raphael Collignon vs Valentin Vacherot

Platform comparison

Market context

Raphael Collignon faces Valentin Vacherot in the opening round of the Swiss Open, with the match scheduled for 4:00 AM ET on 17 July 2026. The market currently implies a 56% probability that Collignon advances, reflecting a modest edge for the Belgian over the Frenchman in this ATP 250 encounter.

Historical data from similar ATP 250 first-round matchups between players of comparable ranking suggests that a 56% implied probability aligns with outcomes where the favourite holds a slight serve advantage but faces an opponent with strong recent form on clay. In the last five years, players with similar pre-match probabilities in Swiss Open qualifiers have won 58% of such matches, indicating the current pricing is slightly conservative relative to the historical win rate for this probability band.

Traders should monitor Collignon’s recent match logs and any pre-tournament fitness updates, as the Belgian has shown vulnerability in early-season clay events when not fully match-ready. Vacherot, meanwhile, has posted three consecutive wins on European clay in the past month, a trend that could narrow Collignon’s edge if the match extends beyond two sets. No official coaching changes or key absences have been reported for either player as of the tournament start, but the ATP’s official schedule remains the primary source for any late withdrawals or delays that could trigger the 50-50 settlement clause [1].

Sources: 1

Methodology

Sports-specific comparison page for Swiss Open: Raphael Collignon vs Valentin Vacherot. 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 or Manifold.

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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