1991 Thriftway ATP Championships
|1991 Thriftway ATP Championships|
|Date||August 5 – August 11|
|Surface||Hard / Outdoor|
|Location||Mason, Ohio, USA|
|Venue||Lindner Family Tennis Center|
|Ken Flach / Robert Seguso|
The 1991 Cincinnati Open, known by the corporate title of the Thriftway ATP Championships was a tennis tournament played on outdoor clay courts. It was the 90th edition of the tournament and was part of the ATP Super 9 of the 1991 ATP Tour It took place in Mason, Ohio, United States, from August 5 through August 11, 1991.
- It was Guy Forget's 3rd title of the year and his 6th overall. It was his 1st Masters title.