Jie Cui vs Petr Bar Biryukov Prediction (Aug 13, 2026)
Result: Jie Cui won. We gave Jie Cui 65% before the match, so our pick (Jie Cui) was right.
Brier score (lower is better): ours 0.122, market six hours out 0.336.
| Our model | Jie Cui 65% · Petr Bar Biryukov 35% |
| Market price at our call | Jie Cui 43% |
| Event | Challenger Astana · Hard |
| Scheduled start | Thu Aug 13, 2026, 05:00 AM ET |
| Call logged | 2026-08-12 18:48 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 Challenger Astana 2026 predictions · Petr Bar Biryukov predictions
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