Chiaki Okadaue defeated Chihiro Nunome 7-5 6-4 in the Kofu 10K qualifying round on hard. The result followed the form book — Chiaki Okadaue came in leading the head-to-head 1–0. Chiaki Okadaue extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-03-16 | Kofu $10K | R16 | hard | Chiaki Okadaue | 7-6(8) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.