Chia Jung Chuang defeated Seiko Okamoto 6-2 7-5 in the Sutama 25K semi-final on clay. Chia Jung Chuang extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-10-16 | Makinohara 25K | SF | carpet | Chia Jung Chuang | 6-4 4-6 6-2 |
| 2005-02-21 | Taipei 25K | SF | hard | Seiko Okamoto | 5-7 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.