Jay Friend vs J.J. Wolf Prediction (Jul 31, 2026)
Result: J.J. Wolf won. We gave J.J. Wolf 74% before the match, so our pick (J.J. Wolf) was right.
Brier score (lower is better): ours 0.067, market six hours out 0.168.
| Our model | J.J. Wolf 74% · Jay Friend 26% |
| Market price at our call | J.J. Wolf 61% |
| Event | ATP Challenger · Hard |
| Scheduled start | Fri Jul 31, 2026, 10:10 PM ET |
| Call logged | 2026-07-31 11:32 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 2026 predictions · Jay Friend predictions · J.J. Wolf predictions
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