1990 Breyers Tennis Classic – Singles

Amy Frazier was the defending champion, but lost in the quarterfinals to Susan Sloane.

Dianne Van Rensburg won the title by defeating Nathalie Tauziat 2–6, 7–5, 6–2 in the final.

Seeds
• # 🇫🇷 Nathalie Tauziat (final)

• # 🇺🇸 Amy Frazier (quarterfinals)

• # 🇺🇸 Gretchen Magers (second round)

• # Isabel Cueto (second round)

• # 🇦🇺 Anne Minter (quarterfinals)

• # 🇺🇸 Susan Sloane (semifinals)

• # Manon Bollegraf (quarterfinals)

• # 🇺🇸 Anne Smith (first round)