Florencia Molinero defeated Natalia Cheng 6-3 6-4 in the Rio De Janeiro 25K round of 32 on clay. The upset overturned the form book — Natalia Cheng came in leading the head-to-head 1–0, but Florencia Molinero had been the form player, winning 5 of their last 7 on clay. Florencia Molinero claimed a first win over Natalia Cheng in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-05-18 | Santos 25K | R16 | clay | Natalia Cheng | 6-4 5-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.