Ayano Shimizu defeated Haruka Kaji 6-1 6-4 in the W25 Hamamatsu semi-final on carpet. The upset overturned the form book — Haruka Kaji came in ranked #254, leading the head-to-head 2–0. Ayano Shimizu claimed a first win over Haruka Kaji in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-04-11 | W35 Osaka 1 | R16 | hard | Haruka Kaji | 6-7(2) 7-5 6-4 |
| 2023-05-27 | W25 Karuizawa | SF | grass | Haruka Kaji | 6-3 7-5 |
Averages over each player's completed matches in the selected window (56 vs 95). 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