1991 Virginia Slims Championships – Singles

Defending champion Monica Seles successfully defended her title, defeating Martina Navratilova in the final, 6–4, 3–6, 7–5, 6–0 to win the singles tennis title at the 1991 Virginia Slims Championships.

Seeds
• # Monica Seles (champion)

• # 🇩🇪 Steffi Graf (quarterfinals)

• # 🇦🇷 Gabriela Sabatini (semifinals)

• # 🇺🇸 Martina Navratilova (final)

• # 🇪🇸 Arantxa Sanchez Vicario (quarterfinals)

• # 🇺🇸 Jennifer Capriati (quarterfinals)

• # 🇺🇸 Mary Joe Fernandez (quarterfinals)

• # Jana Novotná (semifinals)

Draw

 * NB: The Final was the best of 5 sets while all other rounds were the best of 3 sets.