1999 Thalgo Australian Women's Hardcourts – Singles

The 1999 Thalgo Australian Women's Hardcourts singles was the singles event of the third edition of the Thalgo Australian Women's Hardcourts; a WTA Tier III tournament held in the Gold Coast. Ai Sugiyama was the defending champion but lost in the semifinals to Patty Schnyder.

Schnyder won in the final 4–6, 7–6(7–5), 6–2 against Mary Pierce.

Seeds
The top two seeds received a bye to the second round. • # 🇫🇷 Mary Pierce (final)

• # Patty Schnyder (champion)

• # Irina Spîrlea (semifinals)

• # 🇯🇵 Ai Sugiyama (semifinals)

• # 🇩🇪 Anke Huber (quarterfinals)

• # 🇪🇸 Magüi Serna (quarterfinals)

• # 🇷🇺 Elena Likhovtseva (second round)

• # 🇸🇰 Henrieta Nagyová (first round)

Seeds
• # 🇦🇷 Mariana Díaz Oliva (second round)

• # 🇪🇸 Cristina Torrens Valero (second round)

• # 🇺🇸 Brie Rippner (qualifying competition, lucky loser)

• # 🇨🇦 Sonya Jeyaseelan (first round)

• # 🇺🇸 Samantha Reeves (first round)

• # 🇭🇺 Rita Kuti-Kis (second round)

• # 🇯🇵 Nana Miyagi (second round)

• # 🇧🇪 Laurence Courtois (qualifier)

Qualifiers
• # 🇦🇺 Rachel McQuillan

• # 🇧🇪 Laurence Courtois

• # 🇦🇷 Inés Gorrochategui

• # 🇦🇺 Annabel Ellwood

Lucky losers

 * 1) 🇺🇸 Brie Rippner