1986 Singapore Women's Open – Singles

In the inaugural edition of the tournament, Gigi Fernández won the title by defeating Mercedes Paz 6–4, 2–6, 6–4 in the final.

Seeds
• # 🇨🇦 Helen Kelesi (quarterfinals)

• # 🇦🇷 Mercedes Paz (final)

• # 🇺🇸 Barbara Gerken (second round)

• # 🇧🇷 Niege Dias (second round)

• # 🇦🇷 Adriana Villagrán (second round)

• # 🇺🇸 Gigi Fernández (champion)

• # Isabel Cueto (first round)

• # 🇺🇸 Vicki Nelson-Dunbar (first round)