Olivia Sanchez defeated Eloisa Maria Compostizo De Andres 6-1 3-6 6-4 in the Madrid 50K round of 32 on clay. The upset overturned the form book — Eloisa Maria Compostizo De Andres came in leading the head-to-head 1–0. Olivia Sanchez claimed a first win over Eloisa Maria Compostizo De Andres in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-07-19 | Petange 100K | R32 | clay | Eloisa Maria Compostizo De Andres | 6-2 1-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.