1988 Virginia Slims of Washington – Singles

Hana Mandlíková was the defending champion but lost in the semifinals to Martina Navratilova.

Navratilova won in the final 6–0, 6–2 against Pam Shriver.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.


 * 1) 🇺🇸 Martina Navratilova (champion)
 * 2) 🇺🇸 Pam Shriver (final)
 * 3) 🇦🇷 Gabriela Sabatini (semifinals)
 * 4) 🇦🇺 Hana Mandlíková (semifinals)
 * 5)  Helena Suková (quarterfinals)
 * 6) 🇺🇸 Zina Garrison (quarterfinals)
 * 7) 🇺🇸 Barbara Potter (quarterfinals)
 * 8)  Natasha Zvereva (quarterfinals)