Storm Hunter vs Marta Kostyuk Prediction (Aug 30, 2026)
Result: Marta Kostyuk won. We gave Marta Kostyuk 85% before the match, so our pick (Marta Kostyuk) was right.
Brier score (lower is better): ours 0.023, market six hours out 0.010.
| Our model | Marta Kostyuk 85% · Storm Hunter 15% |
| Market price at our call | Marta Kostyuk 77% |
| Event | US Open Women Singles · Unknown |
| Scheduled start | Sun Aug 30, 2026, 03:40 PM ET |
| Call logged | 2026-08-28 23:39 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 · Marta Kostyuk predictions
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