Head-to-Head
Overview
K. Nakajima and P. Karthik have met 1 time so far, all in 2026. P. Karthik leads 1–0. Their first encounter was at the 2026 M15 Singapore 4 (Singapore), won by P. Karthik.
By surface
- hard0 – 1
K. Nakajima and P. Karthik have met 1 time so far, all in 2026. P. Karthik leads 1–0. Their first encounter was at the 2026 M15 Singapore 4 (Singapore), won by P. Karthik.