Mihaela Buzarnescu defeated Federica Quercia 6-3 2-6 6-2 in the Bucharest 25K round of 32 on clay. The upset overturned the form book — Federica Quercia came in leading the head-to-head 1–0. Mihaela Buzarnescu claimed a first win over Federica Quercia in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-11-16 | Cairo 25K | R32 | clay | Federica Quercia | 4-6 6-2 7-6(6) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.