1989 Los Angeles Open – Singles
Introduction Mikael Pernfors was the defending champion but lost in the quarterfinals to Brad Gilbert.Aaron Krickstein won in the final 2–6, 6–4, 6–2 against Michael Chang.
Seeds A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.#  Michael Chang ''(final)''#  Brad Gilbert ''(semifinals)''#  Tim Mayotte ''(first round)''#  Mats Wilander ''(first round)''#  '''Aaron Krickstein (champion)'''#  Kevin Curren ''(quarterfinals)''#  Christo van Rensburg ''(first round)''#  Mikael Pernfors ''(quarterfinals)''
Draw
External links *  1989 Los Angeles Open draw