Chihiro Takayama defeated Yumi Nakano 6-2 6-1 in the Mie 10K round of 16 on carpet. The upset overturned the form book — Yumi Nakano came in leading the head-to-head 1–0. Chihiro Takayama claimed a first win over Yumi Nakano in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-11-18 | Toyota 75K | Q32 | carpet | Yumi Nakano | 6-4 6-7(5) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.