Natsumi Kawaguchi defeated Rinon Okuwaki 6-0 6-4 in the W25 Karuizawa round of 32 on grass. The result followed the form book — Natsumi Kawaguchi came in leading the head-to-head 1–0. Natsumi Kawaguchi extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-11-13 | W100 Takasaki 1 | Q32 | hard | Natsumi Kawaguchi | 6-4 6-2 |
Averages over each player's completed matches in the selected window (60 vs 19). 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