Seiko Okamoto defeated Erika Takao 6-2 7-6 in the Nagano 25K semi-final on carpet. Seiko Okamoto extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-04-09 | Ho Chi Minh City 25K | F | hard | Seiko Okamoto | 6-1 6-2 |
| 2006-07-10 | Miyazaki 25K | SF | carpet | Erika Takao | 6-2 2-6 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.