2003 Idea Prokom Open – Women's singles

Dinara Safina was the defending champion in the Women's Singles event in the 2003 Idea Prokom Open, a Polish tennis competition. She retired in her quarter-final match against Anna Pistolesi.

Pistolesi won the title by defeating Klára Koukalová 6–2, 6–0 in the final.

Seeds
The first two seeds received a bye into the second round. • # 🇷🇺 Anastasia Myskina (quarterfinals)

• # Patty Schnyder (semifinals)

• # 🇮🇱 Anna Pistolesi (champion)

• # 🇨🇿 Denisa Chládková (first round)

• # 🇺🇿 Iroda Tulyaganova (first round)

• # Maja Matevžič (quarterfinals, withdrew)

• # 🇷🇺 Dinara Safina (quarterfinals, retired)

• # 🇭🇺 Petra Mandula (semifinals)