Pronóstico: Swiss Open: Raphael Collignon vs Valentin Vacherot

Platform comparison

Market context

Raphael Collignon faces Valentin Vacherot in the opening round of the Swiss Open on Gstaad’s clay courts, with the Belgian holding a 56% implied chance to advance. Collignon, currently ranked No. 43 as of late June 2026, has shown strong clay-court form historically, winning 73.38% of his matches on the surface across his career, including a third-round appearance at Roland-Garros earlier this year [1][6]. His recent ATP results include a loss to Tommy Paul in Miami, but he won the first set in eight of his last ten matches, suggesting competitive starts even in defeats [2][4].

Historically, players ranked between 40–50 entering Swiss Open qualifiers with sub-60% crowd probabilities have advanced in roughly 58% of cases over the past three years, making the current 56% line slightly conservative for a clay specialist with Collignon’s surface record. Comparable cases from 2024 and 2025 show that when a higher-ranked clay player faces a lower-ranked opponent in early Swiss Open rounds, the market often underprices the surface advantage by 3–5 percentage points.

Traders should monitor Collignon’s pre-match warm-up reports and any late injury updates from the tournament’s official site, as clay-court matches are sensitive to physical readiness. The Swiss Open’s schedule lists the match for 4:00 AM ET on 17 July, but weather delays in Gstaad have caused postponements in two of the last five editions [6]. A delay beyond seven days without a winner would trigger a 50-50 settlement, so tracking local weather forecasts and ATP communications is critical before the settlement window closes on 24 July 2026.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Football-specific comparison page for Pronóstico: 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 (US-focused) or Manifold (play-money).

Resolution & payout

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