Head-to-Head
Overview
Ryan Seggerman and Hikaru Shiraishi have met 1 time so far, all in 2026. Ryan Seggerman leads 1–0. Their first encounter was at the 2026 Wuning 3 (China) - Qualification (R32), won by Ryan Seggerman.
By surface
- hard1 – 0
Ryan Seggerman and Hikaru Shiraishi have met 1 time so far, all in 2026. Ryan Seggerman leads 1–0. Their first encounter was at the 2026 Wuning 3 (China) - Qualification (R32), won by Ryan Seggerman.