Natsumi Kawaguchi defeated Ayano Shimizu 6-2 7-6 in the W50 Kofu 1 round of 32 on hard. Natsumi Kawaguchi narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-07-04 | W40 Hong Kong | R32 | hard | Ayano Shimizu | 6-4 7-5 |
| 2023-05-02 | W80 Gifu | R32 | hard | Ayano Shimizu | 6-1 6-3 |
| 2023-04-22 | W15 Osaka 1 | SF | hard | Natsumi Kawaguchi | 7-5 6-4 |
Averages over each player's completed matches in the selected window (57 vs 54). 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