Valentina Steiner vs Caroline Werner Prediction (Sep 22, 2026)
Result: Valentina Steiner won. We gave Valentina Steiner 55% before the match, so our pick (Valentina Steiner) was right.
Brier score (lower is better): ours 0.206, market six hours out 0.436.
| Our model | Valentina Steiner 55% · Caroline Werner 45% |
| Market price at our call | Valentina Steiner 34% |
| Event | 125K Porto · Hard |
| Scheduled start | Tue Sep 22, 2026, 11:20 AM ET |
| Call logged | 2026-09-22 01:05 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 WTA 125 Porto 2026 predictions
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