Head-to-Head
Overview
Miyashita/ Shinchi and Hayasaka/ Sawashiro have met 1 time so far, all in 2026. Hayasaka/ Sawashiro leads 1–0. Their first encounter was at the 2026 W50 Nanao, won by Hayasaka/ Sawashiro.
By surface
- hard0 – 1
Miyashita/ Shinchi and Hayasaka/ Sawashiro have met 1 time so far, all in 2026. Hayasaka/ Sawashiro leads 1–0. Their first encounter was at the 2026 W50 Nanao, won by Hayasaka/ Sawashiro.