Yuka Higuchi defeated Chihiro Nunome 6-4 6-3 in the Karuizawa 25K q16 on carpet. The upset overturned the form book — Chihiro Nunome came in leading the head-to-head 2–1. Yuka Higuchi narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-09-07 | Kyoto $10K | R32 | hard | Chihiro Nunome | 6-3 3-6 6-4 |
| 2013-06-17 | Tokyo 10K | R32 | hard | Chihiro Nunome | 6-4 6-3 |
| 2012-03-12 | Miyazaki 10K | QF | grass | Yuka Higuchi | 6-3 4-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.