Head-to-Head
Overview
Yoshihito Nishioka and Casper Ruud have met 4 times since 2021. Casper Ruud leads 3–1. On hard, Casper Ruud leads 2–1. Their first encounter was at the 2021 Madrid Masters (R32), won by Casper Ruud. Most recently they met at the 2025 Dallas (QF), with Casper Ruud winning. Casper Ruud has won the last 2 meetings.
By surface
- hard1 – 2
- clay0 – 1