Ayumi Koshiishi defeated Natsuki Yoshimoto 6-1 6-4 in the W35 Osaka 1 q16 on hard. The upset overturned the form book — Natsuki Yoshimoto came in ranked #633, leading the head-to-head 1–0. Ayumi Koshiishi claimed a first win over Natsuki Yoshimoto in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-06-17 | W15 Kawaguchi 1 | SF | hard | Natsuki Yoshimoto | 6-0 6-0 |
Averages over each player's completed matches in the selected window (44 vs 42). 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