Mariana Diaz Oliva defeated Martina Muller 6-1 6-2 in the Acapulco round of 16 on hard. The upset overturned the form book — Martina Muller came in leading the head-to-head 1–0. Mariana Diaz Oliva claimed a first win over Martina Muller in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-03-06 | Indian Wells | R128 | hard | Martina Muller | 4-6 6-4 6-0 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (22 vs 60). ATP, WTA & Challenger.