Goran Ivanišević defeated Pete Sampras 6–4, 6–4 in the final to secure the title.
Seeds
Pete Sampras (final) Goran Ivanišević (champion) John McEnroe (first round) Brad Gilbert (first round) Goran Prpić (first round) Alexander Volkov (second round) Derrick Rostagno (second round) Horst Skoff (first round)
Draw
Finals
Section 1
Section 2
References
External links 1991 Manchester Open Singles draw