Haruka Kaji defeated Momoko Kobori 3-6 6-3 6-3 in the W25 Nanao final on carpet. The result followed the form book — Haruka Kaji came in ranked #254, leading the head-to-head 3–1. Haruka Kaji extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-11-22 | W100 Takasaki 1 | R16 | hard | Haruka Kaji | 6-4 6-1 |
| 2023-06-29 | W25 Hong Kong | R16 | hard | Haruka Kaji | 6-2 6-4 |
| 2019-08-24 | W25 Tsukuba | SF | hard | Haruka Kaji | 0-6 7-6(5) 6-2 |
| 2019-01-08 | W25 Hong Kong | R32 | hard | Momoko Kobori | 6-3 6-0 |
Averages over each player's completed matches in the selected window (95 vs 47). 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