Elena Dementieva defeated Jelena Kostanic Tosic 6-3 6-3 in the Istanbul round of 16 on clay. The upset overturned the form book — Jelena Kostanic Tosic came in defending last year's round of 32. Elena Dementieva extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-04-05 | Amelia Island | R32 | clay | Jelena Kostanic Tosic | 7-6(5) 1-0 RET |
| 2003-09-29 | Moscow | R16 | hard | Elena Dementieva | 6-2 6-3 |
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 (200 vs 23). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About