Jelena Kostanic Tosic defeated Marta Marrero 5-7 6-0 6-2 in the Japan Open round of 16 on hard. The result followed the form book — Jelena Kostanic Tosic came in leading the head-to-head 2–1. Jelena Kostanic Tosic extended the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-08-04 | Helsinki | R16 | clay | Jelena Kostanic Tosic | 6-1 6-2 |
| 2003-01-13 | Australian Open | R128 | hard | Marta Marrero | 7-6(7) 6-1 |
| 2002-09-09 | Shanghai | R32 | hard | Jelena Kostanic Tosic | 6-4 6-4 |
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 (47 vs 11). ATP, WTA & Challenger.