Jelena Ostapenko vs Shuai Zhang Prediction (Aug 4, 2026)
Result: Shuai Zhang won. We gave Shuai Zhang 34% before the match, so our pick (Jelena Ostapenko) was wrong.
Brier score (lower is better): ours 0.441, market six hours out 0.490.
| Our model | Jelena Ostapenko 66% · Shuai Zhang 34% |
| Market price at our call | Jelena Ostapenko 50% |
| Event | Toronto · Hard |
| Scheduled start | Tue Aug 4, 2026, 02:00 PM ET |
| Call logged | 2026-08-03 19:47 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.
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