Risa Ushijima defeated Chihiro Matsumoto 6-3 6-2 in the Kofu 10K qualifying round of 64 on hard. The result followed the form book — Risa Ushijima came in leading the head-to-head 1–0. Risa Ushijima extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-10-21 | Hamamatsu 25K | R32 | grass | Risa Ushijima | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.