1999 Sanex Trophy – Singles

The 1999 Sanex Trophy singles was the singles event of the first edition of the Sanex Trophy; a WTA Tier IV tournament and one of the most prestigious women's tennis tournament held in Belgium.

Fourth seed María Sánchez Lorenzo won the title, defeating Denisa Chládková, 6–7(7–9), 6–4, 6–2, and claimed her only title.

Seeds
• # 🇷🇴 Ruxandra Dragomir (first round)

• # Silvija Talaja (semifinals)

• # 🇸🇰 Karina Habšudová (quarterfinals)

• # 🇪🇸 María Sánchez Lorenzo (champion)

• # 🇪🇸 Cristina Torrens Valero (second round)

• # 🇩🇪 Barbara Rittner (semifinals)

• # 🇧🇾 Olga Barabanschikova (second round)

• # 🇧🇪 Laurence Courtois (second round)

Seeds
• # 🇨🇿 Lenka Němečková (qualifying competition)

• # 🇷🇺 Evgenia Kulikovskaya (first round)

• # 🇷🇺 Anastasia Myskina (Qualifier)

• # 🇷🇺 Nadia Petrova (second round)

• # replaced by 🇧🇪 Evy de Mesmaecker (first round)

• # 🇷🇴 Andreea Vanc (first round)

• # 🇪🇸 Mariam Ramon Climent (Qualifier)

• # 🇮🇹 Giulia Casoni (second round)

Qualifiers
• # 🇪🇸 Mariam Ramon Climent

• # 🇩🇪 Angelika Bachmann

• # 🇷🇺 Anastasia Myskina

• # 🇮🇹 Antonella Serra Zanetti