Stefan Edberg was the defending champion, but lost in the semifinals to Brad Gilbert. Pete Sampras won the title by defeating Brad Gilbert 6–2, 6–7(5–7), 6–3 in the final.
Stefan Edberg was the defending champion, but lost in the semifinals to Brad Gilbert. Pete Sampras won the title by defeating Brad Gilbert 6–2, 6–7(5–7), 6–3 in the final. (en)
Il singolare del torneo di tennis Los Angeles Open 1991, facente parte dell'ATP Tour, ha avuto come vincitore Pete Sampras che ha battuto in finale Brad Gilbert 6-2, 6-7(5), 6-3. (it)