Naoya Honda vs Petr Bar Biryukov Prediction (Sep 17, 2026)
Result: Petr Bar Biryukov won. We gave Petr Bar Biryukov 58% before the match, so our pick (Petr Bar Biryukov) was right.
Brier score (lower is better): ours 0.175, market six hours out 0.144.
| Our model | Petr Bar Biryukov 58% · Naoya Honda 42% |
| Market price at our call | Petr Bar Biryukov 64% |
| Event | Challenger Guangzhou (Huangpu) · Hard |
| Scheduled start | Thu Sep 17, 2026, 06:30 AM ET |
| Call logged | 2026-09-16 20:01 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 Guangzhou (Huangpu) 2026 predictions · Petr Bar Biryukov predictions
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