Yi Chen defeated Anna Bartenstein 6-3 6-2 in the Changwon 25K round of 16 on hard. The upset overturned the form book — Anna Bartenstein came in leading the head-to-head 1–0, but Yi Chen had been the form player, winning 3 of their last 5 on hard. Yi Chen claimed a first win over Anna Bartenstein in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-02-27 | Clearwater FL 25K | R32 | hard | Anna Bartenstein | 6-3 4-6 6-4 |