Rossana De Los Rios defeated Olga Vymetalkova 6-3 6-4 in the Pittsburgh 50K round of 16 on hard. The upset overturned the form book — Olga Vymetalkova came in leading the head-to-head 1–0. Rossana De Los Rios claimed a first win over Olga Vymetalkova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-10-06 | Juarez 50K | R16 | clay | Olga Vymetalkova | 6-4 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.