2003 Croatian Bol Ladies Open – Singles

Åsa Svensson was the defending champion, but did not compete this year.

Vera Zvonareva won the title by defeating Conchita Martínez Granados 6–1, 6–3 in the final.

Seeds
The first two seeds received a bye into the second round. • # Patty Schnyder (second round)

• # 🇮🇹 Silvia Farina Elia (second round)

• # 🇷🇺 Vera Zvonareva (champion)

• # 🇦🇺 Nicole Pratt (first round)

• # 🇮🇹 Rita Grande (first round)

• # 🇸🇰 Henrieta Nagyová (second round)

• # 🇮🇹 Flavia Pennetta (first round)

• # 🇭🇺 Petra Mandula (first round)