Head-to-Head
Overview
J. Yamasaki and Leo Vithoontien have met 1 time so far, all in 2026. Leo Vithoontien leads 1–0. Their first encounter was at the 2026 M15 Karuizawa (R16), won by Leo Vithoontien.
By surface
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J. Yamasaki and Leo Vithoontien have met 1 time so far, all in 2026. Leo Vithoontien leads 1–0. Their first encounter was at the 2026 M15 Karuizawa (R16), won by Leo Vithoontien.