Daiana Negreanu defeated Ana Clara Duarte 6-4 6-4 in the Sao Jose Dos Campos 10K round of 32 on clay. The upset overturned the form book — Ana Clara Duarte came in leading the head-to-head 1–0, but Daiana Negreanu had been the form player, winning 4 of their last 5 on clay. Daiana Negreanu claimed a first win over Ana Clara Duarte in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-07-30 | Sao Paulo 10K | QF | clay | Ana Clara Duarte | 4-6 7-6(2) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.