2005 Ordina Open – Women's singles

Mary Pierce was the defending champion, but did not compete this year.

Eighth-seeded Klára Koukalová won the title by defeating Lucie Šafářová 3–6, 6–2, 6–2 in the final.

Seeds
The top two seeds receive a bye into the second round. • # 🇷🇺 Elena Dementieva (second round, retired due to a right shoulder strain)

• # 🇷🇺 Nadia Petrova (quarterfinals)

• # 🇪🇸 Anabel Medina Garrigues (second round)

• # 🇷🇺 Dinara Safina (quarterfinals)

• # 🇪🇸 Nuria Llagostera Vives (first round)

• # 🇦🇷 Gisela Dulko (semifinals)

• # 🇩🇪 Anna-Lena Grönefeld (second round, retired due to a right groin strain)

• # 🇨🇿 Klára Koukalová (champion)