Nadejda Vassileva defeated Claudia Antonia Enache 6-2 1-6 6-2 in the Doboj 10K round of 16 on clay. The upset overturned the form book — Claudia Antonia Enache came in leading the head-to-head 1–0, but Nadejda Vassileva had been the form player, winning 5 of their last 10 on clay. Nadejda Vassileva claimed a first win over Claudia Antonia Enache in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-07-19 | Bucharest 10K | R16 | clay | Claudia Antonia Enache | 4-6 7-6(3) 6-4 |