Janice Tjen vs Dayana Yastremska Prediction (Aug 23, 2026)
Result: Janice Tjen won. We gave Janice Tjen 63% before the match, so our pick (Janice Tjen) was right.
Brier score (lower is better): ours 0.137, market six hours out 0.176.
| Our model | Janice Tjen 63% · Dayana Yastremska 37% |
| Market price at our call | Janice Tjen 50% |
| Event | Monterrey · Hard |
| Scheduled start | Sun Aug 23, 2026, 03:00 PM ET |
| Call logged | 2026-08-22 22:17 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 Monterrey 2026 predictions
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