Akari Inoue defeated Chiaki Okadaue 6-3 3-6 7-6 in the Karuizawa $25K round of 32 on grass. The result followed the form book — Akari Inoue came in leading the head-to-head 3–1. Akari Inoue extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-06-02 | Tokyo 10K | R32 | hard | Akari Inoue | 6-1 6-3 |
| 2013-03-25 | Nishi Tama 10K | QF | hard | Chiaki Okadaue | 6-3 6-3 |
| 2012-09-10 | Salisbury 10K | R32 | hard | Akari Inoue | 6-4 2-6 6-4 |
| 2007-04-30 | Gifu 50K | R16 | carpet | Akari Inoue | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.