Martina Muller defeated Mariana Diaz Oliva 4-6 6-4 6-0 in the Indian Wells round of 128 on hard. The upset overturned the form book — Mariana Diaz Oliva came in leading the head-to-head 1–0. Martina Muller claimed a first win over Mariana Diaz Oliva in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-02-24 | Acapulco | R16 | hard | Mariana Diaz Oliva | 6-1 6-2 |
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 (60 vs 22). ATP, WTA & Challenger.