Jan Kumstat vs Petr Brunclik Prediction (Aug 18, 2026)

Result: Jan Kumstat won. We gave Jan Kumstat 57% before the match, so our pick (Jan Kumstat) was right.

Brier score (lower is better): ours 0.185, market six hours out 0.185.

Our modelJan Kumstat 57% · Petr Brunclik 43%
Market price at our callJan Kumstat 55%
EventChallenger Prague · Hard
Scheduled startTue Aug 18, 2026, 09:20 AM ET
Call logged2026-08-17 22:51 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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