Jan Choinski vs Olle Wallin Prediction (Jul 31, 2026)
Result: Jan Choinski won. We gave Jan Choinski 71% before the match, so our pick (Jan Choinski) was right.
Brier score (lower is better): ours 0.084, market six hours out 0.040.
| Our model | Jan Choinski 71% · Olle Wallin 29% |
| Market price at our call | Jan Choinski 78% |
| Event | ATP Challenger Oeiras · Clay |
| Scheduled start | Fri Jul 31, 2026, 08:00 AM ET |
| Call logged | 2026-07-30 21:24 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 ATP Challenger Oeiras 2026 predictions
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