Head-to-Head
Overview
Hikaru Shiraishi and Leo Vithoontien have met 1 time so far, all in 2026. Hikaru Shiraishi leads 1–0. Their first encounter was at the 2026 M15 Tokyo (R32), won by Hikaru Shiraishi.
By surface
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Hikaru Shiraishi and Leo Vithoontien have met 1 time so far, all in 2026. Hikaru Shiraishi leads 1–0. Their first encounter was at the 2026 M15 Tokyo (R32), won by Hikaru Shiraishi.