Head-to-Head
Overview
Kawaguchi/ Kuwata and Saito/ Yamaguchi have met 1 time so far, all in 2026. Kawaguchi/ Kuwata leads 1–0. Their first encounter was at the 2026 W75 Kurume (R16), won by Kawaguchi/ Kuwata.
By surface
- hard1 – 0
Kawaguchi/ Kuwata and Saito/ Yamaguchi have met 1 time so far, all in 2026. Kawaguchi/ Kuwata leads 1–0. Their first encounter was at the 2026 W75 Kurume (R16), won by Kawaguchi/ Kuwata.