Micaela Moran defeated Andrea Koch Benvenuto 3-6 6-3 7-5 in the Santiago 10K qualifying round on clay. The upset overturned the form book — Andrea Koch Benvenuto came in leading the head-to-head 1–0, but Micaela Moran had been the form player, winning 3 of their last 6 on clay. Micaela Moran claimed a first win over Andrea Koch Benvenuto in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-09-01 | Asuncion 10K | R16 | clay | Andrea Koch Benvenuto | 2-6 6-3 7-6(6) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.