Head-to-Head
Overview
H. Chang and E. Koike have met 1 time so far, all in 2026. H. Chang leads 1–0. Their first encounter was at the 2026 W35 Changwon (F), won by H. Chang.
By surface
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H. Chang and E. Koike have met 1 time so far, all in 2026. H. Chang leads 1–0. Their first encounter was at the 2026 W35 Changwon (F), won by H. Chang.