Carlos Sanchez Jover vs Filip Pieczonka Prediction (Sep 13, 2026)
Result: Filip Pieczonka won. We gave Filip Pieczonka 44% before the match, so our pick (Carlos Sanchez Jover) was wrong.
Brier score (lower is better): ours 0.312, market six hours out 0.533.
| Our model | Carlos Sanchez Jover 56% · Filip Pieczonka 44% |
| Market price at our call | Carlos Sanchez Jover 70% |
| Event | Challenger Szczecin · Clay |
| Scheduled start | Sun Sep 13, 2026, 08:40 AM ET |
| Call logged | 2026-09-12 22:12 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.
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