Abdullah Shelbayh vs Quinn Vandecasteele Prediction (Aug 11, 2026)

Result: Quinn Vandecasteele won. We gave Quinn Vandecasteele 37% before the match, so our pick (Abdullah Shelbayh) was wrong.

Brier score (lower is better): ours 0.395, market six hours out 0.476.

Our modelAbdullah Shelbayh 63% · Quinn Vandecasteele 37%
Market price at our callAbdullah Shelbayh 65%
EventChallenger Brownsburg · Hard
Scheduled startTue Aug 11, 2026, 05:50 PM ET
Call logged2026-08-11 07:16 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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