Sayaka Ishii defeated Natsumi Kawaguchi 7-6 6-4 in the W100 Gifu q32 on hard. The upset overturned the form book — Natsumi Kawaguchi came in ranked #393, leading the head-to-head 1–0. Sayaka Ishii claimed a first win over Natsumi Kawaguchi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-10-04 | W25 Makinohara | R32 | grass | Natsumi Kawaguchi | 1-6 6-4 7-5 |
Averages over each player's completed matches in the selected window (22 vs 22). 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