Kanae Hisami defeated Akiko Yonemura 6-3 1-6 7-6 in the Hiroshima 10K semi-final on carpet. The upset overturned the form book — Akiko Yonemura came in leading the head-to-head 5–2. Kanae Hisami narrowed the head-to-head to 5–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-10-19 | Hamamatsu $25K | R32 | grass | Kanae Hisami | 6-4 6-3 |
| 2014-06-09 | Kashiwa 10K | R32 | hard | Kanae Hisami | 7-5 6-1 |
| 2014-05-12 | Kurume 50K | Q32 | grass | Akiko Yonemura | 1-6 6-4 6-3 |
| 2011-05-23 | Niigata 25K | R16 | hard | Akiko Yonemura | 4-6 6-2 6-2 |
| 2010-08-23 | Saitama 10K | R16 | hard | Akiko Yonemura | 1-6 6-3 6-0 |
| 2007-07-30 | Obihiro 25K | R32 | carpet | Akiko Yonemura | 7-6(3) 7-6(3) |
| 2006-10-23 | Hamanako 25K | R32 | carpet | Akiko Yonemura | 6-1 6-3 |
Averages over each player's completed matches in the selected window (4 vs 1). 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. Small sample — read as indicative. About