Vivian Wolff vs Carol Zhao Prediction (Sep 28, 2026)
Result: Vivian Wolff won. We gave Vivian Wolff 71% before the match, so our pick (Vivian Wolff) was right.
Brier score (lower is better): ours 0.085, market six hours out 0.109.
| Our model | Vivian Wolff 71% · Carol Zhao 29% |
| Market price at our call | Vivian Wolff 51% |
| Event | Beijing · Hard |
| Scheduled start | Mon Sep 28, 2026, 02:00 AM ET |
| Call logged | 2026-09-27 14:37 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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