2005 Zurich Open – Singles

Lindsay Davenport defeated Patty Schnyder in the final, 7–6(7–5), 6–3 to win the singles tennis title at the 2005 Zurich Open.

Alicia Molik was the defending champion, but retired in the first round against Jelena Janković.

Seeds
• # 🇺🇸 Lindsay Davenport (champion)

• # 🇫🇷 Amélie Mauresmo (second round)

• # 🇫🇷 Mary Pierce (withdrew due to a right quad strain)

• # 🇷🇺 Elena Dementieva (quarterfinals)

• # 🇷🇺 Nadia Petrova (second round)

• # Patty Schnyder (final)

• # 🇷🇺 Anastasia Myskina (semifinals)

• # 🇦🇺 Alicia Molik (first round, retired due to recurrence of vestibular neuronitis)