1989 Toray Pan Pacific Open – Singles

Pam Shriver was the defending champion but did not compete that year.

First-seeded Martina Navratilova won in the final 6–7, 6–3, 7–6 against Lori McNeil.

Seeds
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top four seeds received a bye to the second round.


 * 1) 🇺🇸 Martina Navratilova (champion)
 * 2) 🇺🇸 Chris Evert (quarterfinals)
 * 3) 🇦🇷 Gabriela Sabatini (quarterfinals)
 * 4)  Natasha Zvereva (second round)
 * 5) 🇺🇸 Zina Garrison (semifinals)
 * 6)  Claudia Kohde-Kilsch (quarterfinals)
 * 7) 🇺🇸 Lori McNeil (final)
 * 8) 🇺🇸 Mary Joe Fernández (semifinals)