1989 Toray Pan Pacific Open – Singles
Introduction 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.#  '''Martina Navratilova (champion)'''#  Chris Evert ''(quarterfinals)''#  Gabriela Sabatini ''(quarterfinals)''#  Natasha Zvereva ''(second round)''#  Zina Garrison ''(semifinals)''#  Claudia Kohde-Kilsch ''(quarterfinals)''#  Lori McNeil ''(final)''#  Mary Joe Fernández ''(semifinals)''
Draw ===Final======Section 1======Section 2===
References *  1989 Toray Pan Pacific Open Draw