Himari Sato defeated Haruka Kaji 6-3 6-3 in the W25 Yokohama round of 32 on hard. The upset overturned the form book — Haruka Kaji came in ranked #260, leading the head-to-head 2–0. Himari Sato claimed a first win over Haruka Kaji in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-05-24 | W25 Karuizawa | R32 | grass | Haruka Kaji | 6-1 6-2 |
| 2019-08-22 | W25 Tsukuba | R16 | hard | Haruka Kaji | 6-3 6-2 |
Averages over each player's completed matches in the selected window (104 vs 199). 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