2005 Qatar Total German Open – Singles

Justine Henin-Hardenne defeated Nadia Petrova in the final, 6–3, 4–6, 6–3 to win the singles tennis title at the 2005 WTA German Open.

Amélie Mauresmo was the defending champion, but lost in the quarterfinals to Petrova.

Seeds
• # 🇷🇺 Maria Sharapova (quarterfinals)

• # 🇫🇷 Amélie Mauresmo (quarterfinals)

• # 🇷🇺 Anastasia Myskina (second round)

• # 🇷🇺 Svetlana Kuznetsova (quarterfinals)

• # 🇷🇺 Vera Zvonareva (second round)

• # 🇷🇺 Nadia Petrova (final)

• # Patty Schnyder (semifinals)

• # 🇷🇺 Elena Bovina (quarterfinals)

• # 🇫🇷 Nathalie Dechy (first round)

• # 🇷🇺 Elena Likhovtseva (second round)

• # 🇧🇪 Kim Clijsters (third round)

• # 🇧🇪 Justine Henin-Hardenne (champion)

• # Jelena Janković (semifinals)

• # 🇯🇵 Ai Sugiyama (first round)

• # 🇸🇰 Daniela Hantuchová (first round)

• # Karolina Šprem (first round)