Chiaki Okadaue defeated Chihiro Takayama 3-6 6-3 6-2 in the Kyoto $10K round of 16 on hard. The result followed the form book — Chiaki Okadaue came in leading the head-to-head 1–0. Chiaki Okadaue extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-06-17 | Tokyo 10K | R16 | hard | Chiaki Okadaue | 6-2 6-7(5) 7-5 |