Sofia Costoulas vs Jennifer Ruggeri Prediction (Aug 24, 2026)
Result: Sofia Costoulas won. We gave Sofia Costoulas 66% before the match, so our pick (Sofia Costoulas) was right.
Brier score (lower is better): ours 0.115, market six hours out 0.012.
| Our model | Sofia Costoulas 66% · Jennifer Ruggeri 34% |
| Market price at our call | Sofia Costoulas 45% |
| Event | US Open Women Singles · Unknown |
| Scheduled start | Mon Aug 24, 2026, 01:00 PM ET |
| Call logged | 2026-08-23 20:36 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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