Si Si Qiu defeated Wan Ting Liu 6-3 6-2 in the Guangzhou 10K round of 32 on hard. The upset overturned the form book — Wan Ting Liu came in leading the head-to-head 2–0. Si Si Qiu claimed a first win over Wan Ting Liu in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-10-08 | Beijing 25K | R32 | hard | Wan Ting Liu | 6-2 6-3 |
| 2006-11-06 | Shenzhen 50K | R32 | hard | Wan Ting Liu | 6-2 6-2 |