1991 Thriftway ATP Championships – Singles


was the defending champion, but lost to Pete Sampras in the quarterfinals.
Guy Forget won the title, defeating Sampras 2–6, 7–6, 6–4 in the final.

Seeds

The top eight seeds received a bye to the second round.

Draw

Finals

Top Half

Section 1

Section 2

Bottom Half

Section 3

Section 4