1989 Bausch & Lomb Championships – Singles
Introduction Martina Navratilova was the defending champion but lost in the semifinals to Gabriela Sabatini.Sabatini won in the final 3–6, 6–3, and 7–5 against Steffi Graf.
Seeds A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top eight seeds received a bye to the second round.#  Steffi Graf ''(final)''#  Martina Navratilova ''(semifinals)''#  '''Gabriela Sabatini (champion)'''#  Natasha Zvereva ''(second round)''#  Lori McNeil ''(second round)''#  Arantxa Sánchez ''(semifinals)''#  Larisa Savchenko ''(second round)''#  Hana Mandlíková ''(quarterfinals)''#  Sandra Cecchini ''(second round)''#  Bettina Fulco ''(second round)''#  Judith Wiesner ''(quarterfinals)''#  Terry Phelps ''(second round)''#  Isabel Cueto ''(second round)''#  Leila Meskhi ''(third round)''# n/a# n/a
Draw ===Finals======Top half=======Section 1========Section 2=======Bottom half=======Section 3========Section 4====
External links *  ITF tournament edition details