Serena Williams defeated Eleni Daniilidou 6-3 6-4 in the Cincinnati round of 32 on hard. The result followed the form book — Serena Williams came in leading the head-to-head 4–0, defending last year's round of 32. Serena Williams extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-07-19 | Los Angeles | R32 | hard | Serena Williams | 6-1 7-6(3) |
| 2004-03-24 | Miami | SF | hard | Serena Williams | 6-4 6-4 |
| 2003-02-03 | Paris | SF | carpet | Serena Williams | 6-2 6-0 |
| 2003-01-13 | Australian Open | R16 | hard | Serena Williams | 6-4 6-1 |
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 (199 vs 45). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About