Haruka Kaji defeated Natsumi Kawaguchi 7-6 6-3 in the W35 Osaka quarter-final on hard. The result followed the form book — Haruka Kaji came in ranked #260, leading the head-to-head 2–0, defending last year's quarter-final. Haruka Kaji extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-11-28 | W50 Yokohama 1 | QF | hard | Haruka Kaji | 6-1 6-2 |
| 2024-05-28 | W35 Changwon 1 | R32 | hard | Haruka Kaji | 6-2 6-4 |
Averages over each player's completed matches in the selected window (31 vs 22). 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