Andrea Koch Benvenuto defeated Gabriella Barbosa Costa Silva 6-4 6-1 in the Santiago 10K round of 16 on clay. The result followed the form book — Andrea Koch Benvenuto came in leading the head-to-head 1–0. Andrea Koch Benvenuto extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-28 | Juarez Chih 10K | R16 | clay | Andrea Koch Benvenuto | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.