Alex Martinez vs Amit Vales Prediction (Aug 4, 2026)
Result: Amit Vales won. We gave Amit Vales 45% before the match, so our pick (Alex Martinez) was wrong.
Brier score (lower is better): ours 0.307, market six hours out 0.397.
| Our model | Alex Martinez 55% · Amit Vales 45% |
| Market price at our call | Alex Martinez 62% |
| Event | Challenger Grodzisk Mazowiecki · Hard |
| Scheduled start | Tue Aug 4, 2026, 10:20 AM ET |
| Call logged | 2026-08-03 23:47 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 Grodzisk Mazowiecki 2026 predictions
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