Claudia Antonia Enache defeated Nadejda Vassileva 4-6 7-6 6-4 in the Bucharest 10K round of 16 on clay. The upset overturned the form book — Nadejda Vassileva came in leading the head-to-head 1–0. Claudia Antonia Enache claimed a first win over Nadejda Vassileva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-08-23 | Doboj 10K | R16 | clay | Nadejda Vassileva | 6-2 1-6 6-2 |