Harold Mayot vs Gustavo Heide Prediction (Aug 17, 2026)
Result: Harold Mayot won. We gave Harold Mayot 56% before the match, so our pick (Harold Mayot) was right.
Brier score (lower is better): ours 0.197, market six hours out 0.250.
| Our model | Harold Mayot 56% · Gustavo Heide 44% |
| Market price at our call | Harold Mayot 49% |
| Event | Challenger Kingston · Hard |
| Scheduled start | Mon Aug 17, 2026, 04:20 PM ET |
| Call logged | 2026-08-17 05:45 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 · Harold Mayot predictions · Gustavo Heide predictions
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