| Singles | |
|---|---|
| 2003 WTA German Open | |
| Champion |
|
| Runner-up |
|
| Final score | 6–4, 4–6, 7–5 |
Justine Henin-Hardenne was the defending champion and successfully defended her title, by defeating Kim Clijsters 6–4, 4–6, 7–5 in the final.
It was the 3rd title in the year for Henin-Hardenne and the 9th in her career.
The first nine seeds received a bye into the second round.