Dalia Zafirova defeated Ingrid Alexandra Radu 6-3 6-0 in the Bucharest 10K round of 32 on clay. The upset overturned the form book — Ingrid Alexandra Radu came in leading the head-to-head 4–2, but Dalia Zafirova had been the form player, winning 5 of their last 10 on clay. Dalia Zafirova narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-10-03 | Pirot 10K | R32 | clay | Dalia Zafirova | 6-2 6-0 |
| 2011-06-27 | Prokuplje 10K | R16 | clay | Ingrid Alexandra Radu | 6-0 6-1 |
| 2010-08-16 | Bucharest 10K | R32 | clay | Ingrid Alexandra Radu | 6-3 6-2 |
| 2010-07-05 | Prokuplje 10K | R32 | clay | Ingrid Alexandra Radu | 6-2 6-0 |
| 2009-09-28 | Dobrich 10K | R32 | clay | Dalia Zafirova | 6-4 1-6 6-0 |
| 2009-09-07 | Rousse 10K | R32 | clay | Ingrid Alexandra Radu | 6-3 7-5 |