Seiko Okamoto defeated Akiko Yonemura 6-1 6-1 in the Fukuoka 50K round of 32 on grass. Seiko Okamoto extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-15 | Makinohara 25K | F | carpet | Akiko Yonemura | 6-3 6-4 |
| 2006-10-23 | Hamanako 25K | SF | carpet | Seiko Okamoto | 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.