Head-to-Head
Overview
T. Kumasaka and T. Yamanaka have met 1 time so far, all in 2026. T. Yamanaka leads 1–0. Their first encounter was at the 2026 Bengaluru 3 (India) - Qualification (R32), won by T. Yamanaka.
By surface
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T. Kumasaka and T. Yamanaka have met 1 time so far, all in 2026. T. Yamanaka leads 1–0. Their first encounter was at the 2026 Bengaluru 3 (India) - Qualification (R32), won by T. Yamanaka.