Head-to-Head
Overview
J. Font and Sayaka Ishii have met 1 time so far, all in 2026. Sayaka Ishii leads 1–0. Their first encounter was at the 2026 W15 Logrono (R32), won by Sayaka Ishii.
By surface
- hard0 – 1
J. Font and Sayaka Ishii have met 1 time so far, all in 2026. Sayaka Ishii leads 1–0. Their first encounter was at the 2026 W15 Logrono (R32), won by Sayaka Ishii.