Stefanos Sakellaridis vs Zizou Bergs Prediction (Aug 21, 2026)
Result: Stefanos Sakellaridis won. We gave Stefanos Sakellaridis 27% before the match, so our pick (Zizou Bergs) was wrong.
Brier score (lower is better): ours 0.526, market six hours out 0.490.
| Our model | Zizou Bergs 73% · Stefanos Sakellaridis 27% |
| Market price at our call | Zizou Bergs 67% |
| Event | Challenger Quebec City · Hard |
| Scheduled start | Fri Aug 21, 2026, 07:30 PM ET |
| Call logged | 2026-08-21 09:07 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 Challenger Quebec City 2026 predictions · Stefanos Sakellaridis predictions · Zizou Bergs predictions
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