Head-to-Head
Overview
Hayasaka/ Sawashiro and Miyashita/ Shinchi 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
- hard1 – 0
Hayasaka/ Sawashiro and Miyashita/ Shinchi 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.