Nathalia Rossi defeated Andrea Koch Benvenuto 0-6 6-1 6-4 in the Buenos Aires 10K qualifying round on clay. The result followed the form book — Nathalia Rossi came in leading the head-to-head 1–0. Nathalia Rossi extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-14 | Los Mochis SIN 10K | R32 | clay | Nathalia Rossi | 6-2 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.