Naho Sato defeated Yeon Woo Ku 7-6 2-6 6-3 in the W35 Aldershot 1 round of 32 on hard. The upset overturned the form book — Yeon Woo Ku came in ranked #188, leading the head-to-head 1–0. Naho Sato claimed a first win over Yeon Woo Ku in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-11-26 | W50 Yokohama 1 | R16 | hard | Yeon Woo Ku | 6-3 6-1 |
Averages over each player's completed matches in the selected window (46 vs 92). 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