Haruka Kaji defeated Aoi Ito 3-6 6-2 6-3 in the W25 Hamamatsu round of 16 on carpet. The upset overturned the form book — Aoi Ito came in ranked #233, leading the head-to-head 3–1. Haruka Kaji narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-05-25 | W50 Goyang 1 | SF | hard | Aoi Ito | 3-6 6-3 6-0 |
| 2024-05-07 | W75 Fukuoka 1 | R32 | carpet | Aoi Ito | 7-5 6-2 |
| 2023-11-22 | W100 Takasaki 2 | R32 | hard | Aoi Ito | 7-6(3) 6-2 |
| 2023-06-30 | W25 Hong Kong | QF | hard | Haruka Kaji | 7-6(2) 3-6 6-4 |
Averages over each player's completed matches in the selected window (95 vs 73). 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