Tomoko Dokei defeated Yi Chen 2-6 6-3 6-3 in the Haibara 25K round of 32 on carpet. The upset overturned the form book — Yi Chen came in leading the head-to-head 1–0. Tomoko Dokei claimed a first win over Yi Chen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-02-26 | Wellington 10K | R16 | hard | Yi Chen | 6-3 6-3 |