Head-to-Head
Overview
Kawanishi/ Watanabe and Kawachi/ Yamanaka have met 1 time so far, all in 2026. Kawachi/ Yamanaka leads 1–0. Their first encounter was at the 2026 M15 Yanagawa City, won by Kawachi/ Yamanaka.
By surface
- hard0 – 1
Kawanishi/ Watanabe and Kawachi/ Yamanaka have met 1 time so far, all in 2026. Kawachi/ Yamanaka leads 1–0. Their first encounter was at the 2026 M15 Yanagawa City, won by Kawachi/ Yamanaka.