Chihiro Matsumoto advanced when Kotomi Takahata retired 6-6 in the Kofu 10K qualifying round of 64. Chihiro Matsumoto claimed a first win over Kotomi Takahata in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-06-08 | Kashiwa $25K | Q16 | hard | Kotomi Takahata | 7-6(2) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.