Kumiko Iijima defeated Yi Jing Zhao 6-1 6-4 in the Beijing 25K qualifying round on hard. The upset overturned the form book — Yi Jing Zhao came in leading the head-to-head 1–0, but Kumiko Iijima had been the form player, winning 2 of their last 4 on hard. Kumiko Iijima claimed a first win over Yi Jing Zhao in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-09-10 | Tokyo 50K | R16 | hard | Yi Jing Zhao | 6-4 5-7 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.