1989 Los Angeles Open – Singles

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.


 * 1) 🇺🇸 Michael Chang (final)
 * 2) 🇺🇸 Brad Gilbert (semifinals)
 * 3) 🇺🇸 Tim Mayotte (first round)
 * 4) 🇸🇪 Mats Wilander (first round)
 * 5) 🇺🇸 Aaron Krickstein (champion)
 * 6) 🇺🇸 Kevin Curren (quarterfinals)
 * 7)  Christo van Rensburg (first round)
 * 8) 🇸🇪 Mikael Pernfors (quarterfinals)