Maria Sharapova defeated Anastasia Myskina 6-3 6-3 in the Miami quarter-final on hard. The upset overturned the form book — Anastasia Myskina came in leading the head-to-head 3–1, defending last year's round of 16. Maria Sharapova narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-10 | WTA Tour Championships | SF | carpet | Maria Sharapova | 2-6 6-2 6-2 |
| 2004-07-26 | San Diego | QF | hard | Anastasia Myskina | 7-5 6-2 |
| 2004-03-10 | Indian Wells | R16 | hard | Anastasia Myskina | 6-2 6-1 |
| 2004-01-19 | Australian Open | R32 | hard | Anastasia Myskina | 6-4 1-6 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 (198 vs 34). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About