1990 Virginia Slims of Chicago – Singles

Martina Navratilova defeated Manuela Maleeva in the final, 6–3, 6–2 to win the singles tennis title at the 1990 Virginia Slims of Chicago.

Zina Garrison was the defending champion, but lost in the semifinals to Maleeva.

Seeds
• # 🇺🇸 Martina Navratilova (champion)

• # 🇺🇸 Zina Garrison-Jackson (semifinal)

• # 🇪🇸 Arantxa Sánchez Vicario (first round)

• # Monica Seles (first round)

• # Manuela Maleeva-Fragniere (final)

• # Natalia Zvereva (first round)

• # 🇵🇪 Laura Gildemeister (second round)

• # 🇺🇸 Pam Shriver (quarterfinals)