Head-to-Head
Overview
L. Boisson and S. Sierra have met 1 time so far, all in 2026. S. Sierra leads 1–0. Their first encounter was at the 2026 Hertogenbosch (R32), won by S. Sierra.
By surface
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L. Boisson and S. Sierra have met 1 time so far, all in 2026. S. Sierra leads 1–0. Their first encounter was at the 2026 Hertogenbosch (R32), won by S. Sierra.