Kotomi Takahata defeated Aki Yamasoto 7-6 1-6 7-6 in the Mie 10K round of 32 on carpet. The upset overturned the form book — Aki Yamasoto came in leading the head-to-head 1–0. Kotomi Takahata claimed a first win over Aki Yamasoto in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-08-31 | Noto $25K | R32 | carpet | Aki Yamasoto | 7-5 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.