Head-to-Head
Overview
Ethan Quinn and Yoshihito Nishioka have met 1 time so far, all in 2025. Ethan Quinn leads 1–0. Their first encounter was at the 2025 Canada Masters (R128), won by Ethan Quinn.
By surface
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Ethan Quinn and Yoshihito Nishioka have met 1 time so far, all in 2025. Ethan Quinn leads 1–0. Their first encounter was at the 2025 Canada Masters (R128), won by Ethan Quinn.