Oxana Lyubtsova defeated Ekaterina Lopes 6-2 5-7 6-2 in the Estoril q16 on clay. The upset overturned the form book — Ekaterina Lopes came in leading the head-to-head 1–0. Oxana Lyubtsova claimed a first win over Ekaterina Lopes in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-09-25 | Biella 50K | R32 | clay | Ekaterina Lopes | 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.