Head-to-Head
Overview
T. Messerli and Klara Kosan have met 1 time so far, all in 2026. T. Messerli leads 1–0. Their first encounter was at the 2026 W15 Los Angeles, CA, won by T. Messerli.
By surface
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T. Messerli and Klara Kosan have met 1 time so far, all in 2026. T. Messerli leads 1–0. Their first encounter was at the 2026 W15 Los Angeles, CA, won by T. Messerli.