Head-to-Head
Overview
M. Uemura and R. Kosaka have met 1 time so far, all in 2026. R. Kosaka leads 1–0. Their first encounter was at the 2026 W15 Sapporo 2 (R32), won by R. Kosaka.
By surface
- hard0 – 1
M. Uemura and R. Kosaka have met 1 time so far, all in 2026. R. Kosaka leads 1–0. Their first encounter was at the 2026 W15 Sapporo 2 (R32), won by R. Kosaka.