Head-to-Head
Overview
Koki Matsuda and Daniil Ostapenkov have met 1 time so far, all in 2026. Koki Matsuda leads 1–0. Their first encounter was at the 2026 Istanbul 2 (Turkey) (F), won by Koki Matsuda.
By surface
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Koki Matsuda and Daniil Ostapenkov have met 1 time so far, all in 2026. Koki Matsuda leads 1–0. Their first encounter was at the 2026 Istanbul 2 (Turkey) (F), won by Koki Matsuda.