1999 Croatian Bol Ladies Open – Singles

The 1999 Croatian Bol Ladies Open singles was the singles event of the sixth edition of the Croatian Bol Ladies Open, a WTA Tier IV tournament and the most prestigious women's tennis tournament held in Croatia. Mirjana Lučić was the two-time defending champion, but she did not compete this year.

Corina Morariu won the title after losing in the final the previous two years, defeating first seed Julie Halard-Decugis.

Seeds
• # 🇫🇷 Julie Halard-Decugis (final)

• # Iva Majoli (second round)

• # Cara Black (first round)

• # 🇺🇸 Corina Morariu (champion)

• # 🇫🇷 Sarah Pitkowski (semifinals)

• # 🇫🇷 Amélie Cocheteux (first round)

• # 🇷🇴 Cătălina Cristea (first round)

• # 🇺🇸 Meghann Shaughnessy (second round)

Seeds
• # n.a.

• # 🇨🇿 Michaela Paštiková (second round)

• # 🇬🇧 Lucie Ahl (qualifier)

• # 🇦🇺 Amanda Grahame (qualifying competition, lucky loser)

• # 🇵🇱 Katarzyna Straczy (qualifying competition)

• # 🇩🇪 Syna Schmidle (second round)

• # 🇨🇿 Renata Kučerová (qualifier)

• # 🇦🇷 Luciana Masante (qualifier)

• # Marijana Kovačević (qualifying competition)

Qualifiers
• # 🇨🇿 Renata Kučerová

• # 🇬🇧 Lucie Ahl

• # 🇦🇷 Luciana Masante

• # 🇨🇿 Zuzana Hejdová

Lucky losers

 * 1) 🇦🇺 Amanda Grahame