Ana Clara Duarte defeated Nathalia Rossi 6-4 6-2 in the Buenos Aires 10K qualifying round on clay. The result followed the form book — Ana Clara Duarte came in leading the head-to-head 4–1. Ana Clara Duarte extended the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-29 | Sao Paulo 10K | QF | clay | Nathalia Rossi | 6-0 6-4 |
| 2012-10-08 | Sao Paulo 10K | QF | clay | Ana Clara Duarte | 6-4 6-0 |
| 2010-08-09 | Itaparica 10K | SF | hard | Ana Clara Duarte | 6-3 6-2 |
| 2007-03-05 | Benin City 10K | R32 | hard | Ana Clara Duarte | 6-4 6-4 |
| 2007-02-26 | Benin City 10K | F | hard | Ana Clara Duarte | 6-4 6-7(8) 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.