Yeon Woo Ku defeated Naho Sato 6-3 6-1 in the W50 Yokohama round of 16 on hard. Yeon Woo Ku extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-11-26 | W50 Yokohama 1 | R16 | hard | Yeon Woo Ku | 6-3 6-1 |
| 2024-08-13 | W35 Aldershot 1 | R32 | hard | Naho Sato | 7-6(3) 2-6 6-3 |
Averages over each player's completed matches in the selected window (163 vs 68). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About