Head-to-Head
Overview
E. D. Zapp and Hikaru Shiraishi have met 1 time so far, all in 2026. Hikaru Shiraishi leads 1–0. Their first encounter was at the 2026 M15 Bali (R32), won by Hikaru Shiraishi.
By surface
- hard0 – 1
E. D. Zapp and Hikaru Shiraishi have met 1 time so far, all in 2026. Hikaru Shiraishi leads 1–0. Their first encounter was at the 2026 M15 Bali (R32), won by Hikaru Shiraishi.