Shiho Akita defeated Haruka Kaji 7-6 7-5 in the W25 Makinohara round of 16 on carpet. The upset overturned the form book — Haruka Kaji came in ranked #254, leading the head-to-head 3–1. Shiho Akita narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-11-27 | W50 Yokohama 1 | R16 | hard | Haruka Kaji | 6-2 6-3 |
| 2020-03-05 | W25 Yokohama | QF | hard | Haruka Kaji | 4-6 7-6(0) 6-0 |
| 2019-04-04 | W25 Kashiwa | R16 | hard | Haruka Kaji | 6-4 3-2 |
| 2013-07-01 | Bangkok 10K | R16 | hard | Shiho Akita | 6-0 7-6(5) |
Averages over each player's completed matches in the selected window (36 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