Head-to-Head
Overview
Hayasaka/ Kosaka and Kim/ Yoshimoto have met 1 time so far, all in 2026. Hayasaka/ Kosaka leads 1–0. Their first encounter was at the 2026 W15 Fukui (R16), won by Hayasaka/ Kosaka.
By surface
- hard1 – 0
Hayasaka/ Kosaka and Kim/ Yoshimoto have met 1 time so far, all in 2026. Hayasaka/ Kosaka leads 1–0. Their first encounter was at the 2026 W15 Fukui (R16), won by Hayasaka/ Kosaka.