2003 MasterCard German Open – Singles

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. • # 🇧🇪 Kim Clijsters (final)

• # 🇺🇸 Venus Williams (withdrew due to a left abdominal strain)

• # 🇧🇪 Justine Henin-Hardenne (champion)

• # 🇺🇸 Jennifer Capriati (semifinals)

• # 🇫🇷 Amélie Mauresmo (semifinals)

• # 🇺🇸 Chanda Rubin (second round)

• # 🇸🇰 Daniela Hantuchová (quarterfinals)

• # Jelena Dokic (third round)

• # 🇷🇺 Anastasia Myskina (second round)

• # 🇷🇺 Elena Dementieva (first round, retired due to a left foot strain)

• # 🇧🇬 Magdalena Maleeva (first round)

• # Eleni Daniilidou (third round)

• # 🇯🇵 Ai Sugiyama (first round)

• # 🇺🇸 Meghann Shaughnessy (second round)

• # Patty Schnyder (third round)

• # 🇮🇱 Anna Pistolesi (third round)

• # 🇫🇷 Nathalie Dechy (third round)