Andrea Guerrieri vs Olle Wallin Prediction (Aug 4, 2026)

Result: Andrea Guerrieri won. We gave Andrea Guerrieri 44% before the match, so our pick (Olle Wallin) was wrong.

Brier score (lower is better): ours 0.314, market six hours out 0.160.

Our modelOlle Wallin 56% · Andrea Guerrieri 44%
Market price at our callOlle Wallin 46%
EventChallenger Grodzisk Mazowiecki · Hard
Scheduled startTue Aug 4, 2026, 09:10 AM ET
Call logged2026-08-03 22:35 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 Challenger Grodzisk Mazowiecki 2026 predictions · Andrea Guerrieri predictions

More matches on Aug 4:

Tennis board Contact