Head-to-Head
Overview
J. Zhang and Honori Koyama have met 1 time so far, all in 2026. Honori Koyama leads 1–0. Their first encounter was at the 2026 W15 Shenzhen, won by Honori Koyama.
By surface
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J. Zhang and Honori Koyama have met 1 time so far, all in 2026. Honori Koyama leads 1–0. Their first encounter was at the 2026 W15 Shenzhen, won by Honori Koyama.