Head-to-Head
Overview
A. J. Singh and K. Otsuka have met 1 time so far, all in 2026. K. Otsuka leads 1–0. Their first encounter was at the 2026 M15 Karuizawa (R32), won by K. Otsuka.
By surface
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A. J. Singh and K. Otsuka have met 1 time so far, all in 2026. K. Otsuka leads 1–0. Their first encounter was at the 2026 M15 Karuizawa (R32), won by K. Otsuka.