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Ruth Roura Llaverias vs Madison Sieg Prediction (Sep 14, 2026)

Result: Madison Sieg won. We gave Madison Sieg 59% before the match, so our pick (Madison Sieg) was right.

Brier score (lower is better): ours 0.168, market six hours out 0.250.

Our model	Madison Sieg 59% · Ruth Roura Llaverias 41%
Market price at our call	Madison Sieg 51%
Event	125K Valencia Qualification · Clay
Scheduled start	Mon Sep 14, 2026, 08:00 AM ET
Call logged	2026-09-13 21:11 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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