Peyton Stearns vs Sloane Stephens Prediction (Sep 17, 2026)
Result: Peyton Stearns won. We gave Peyton Stearns 63% before the match, so our pick (Peyton Stearns) was right.
Brier score (lower is better): ours 0.138, market six hours out 0.152.
| Our model | Peyton Stearns 63% · Sloane Stephens 37% |
| Market price at our call | Peyton Stearns 48% |
| Event | Guadalajara · Clay |
| Scheduled start | Thu Sep 17, 2026, 05:00 PM ET |
| Call logged | 2026-09-16 18:07 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 Guadalajara 2026 predictions · Sloane Stephens predictions
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