Luis Guto Miguel vs Valentin Royer Prediction (Aug 18, 2026)
Result: Valentin Royer won. We gave Valentin Royer 80% before the match, so our pick (Valentin Royer) was right.
Brier score (lower is better): ours 0.040, market six hours out 0.020.
| Our model | Valentin Royer 80% · Luis Guto Miguel 20% |
| Market price at our call | Valentin Royer 90% |
| Event | Challenger Kingston · Hard |
| Scheduled start | Tue Aug 18, 2026, 03:10 PM ET |
| Call logged | 2026-08-18 06:25 UTC (before first serve) |
Every call we make is logged before the match and graded after it. See the live tennis board, the full match list and our public track record.
All Challenger Kingston 2026 predictions · Valentin Royer predictions
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