Misaki Doi defeated Mari Inoue 6-0 6-2 in the Makinohara 25K round of 16 on carpet. The result followed the form book — Misaki Doi came in leading the head-to-head 1–0. Misaki Doi extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-28 | Hamanako 25K | R32 | carpet | Misaki Doi | 7-6(4) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.