2004 Wien Energie Grand Prix – Singles

Paola Suárez was the defending champion, but chose not to compete in 2004.

Anna Smashnova-Pistolesi won the title.

Seeds
• # 🇺🇸 Chanda Rubin (second round)

• # 🇮🇱 Anna Smashnova-Pistolesi (winner)

• # 🇺🇸 Lisa Raymond (first round)

• # 🇻🇪 María Vento-Kabchi (second round)

• # 🇺🇸 Amy Frazier (semifinals)

• # 🇦🇺 Alicia Molik (final)

• # 🇪🇸 Magüi Serna (quarterfinals)

• # Jelena Kostanić (semifinals)