Defending champion Justine Henin-Hardenne defeated Kim Clijsters in the final, 6–4, 4–6, 7–5 to win the singles tennis title at the 2003 WTA German Open. It was her third title of the year, and the ninth of her career.

Seeds The first nine seeds received a bye into the second round.

Draw

Finals

Top half

Section 1

Section 2

Bottom half

Section 3

Section 4

External links Main and qualifying draws