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Kajsa Rinaldo Persson vs Carla Tomai Prediction (Sep 21, 2026)

Result: Kajsa Rinaldo Persson won. We gave Kajsa Rinaldo Persson 92% before the match, so our pick (Kajsa Rinaldo Persson) was right.

Brier score (lower is better): ours 0.007, market six hours out 0.001.

Our model	Kajsa Rinaldo Persson 92% · Carla Tomai 8%
Market price at our call	Kajsa Rinaldo Persson 96%
Event	125K Porto · Hard
Scheduled start	Mon Sep 21, 2026, 11:40 AM ET
Call logged	2026-09-21 01:22 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 WTA 125 Porto 2026 predictions

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