Coco Gauff vs Zeynep Sonmez Prediction (Aug 30, 2026)
Result: Coco Gauff won. We gave Coco Gauff 87% before the match, so our pick (Coco Gauff) was right.
Brier score (lower is better): ours 0.017, market six hours out 0.004.
| Our model | Coco Gauff 87% · Zeynep Sonmez 13% |
| Market price at our call | Coco Gauff 50% |
| Event | US Open Women Singles · Unknown |
| Scheduled start | Sun Aug 30, 2026, 02:00 PM ET |
| Call logged | 2026-08-27 17:44 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 · Coco Gauff predictions
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