Madison Keys vs Qinwen Zheng Prediction (Sep 5, 2026)
Result: Qinwen Zheng won. We gave Qinwen Zheng 40% before the match, so our pick (Madison Keys) was wrong.
Brier score (lower is better): ours 0.359, market six hours out 0.360.
| Our model | Madison Keys 60% · Qinwen Zheng 40% |
| Market price at our call | Madison Keys 45% |
| Event | US Open Women Singles · Hard |
| Scheduled start | Sat Sep 5, 2026, 02:00 PM ET |
| Call logged | 2026-09-03 22:12 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 US Open 2026 predictions · Qinwen Zheng predictions
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