| 1990 Thriftway ATP Championships | |
|---|---|
| Date | August 6–12 |
| Edition | 89th |
| Category | ATP Super 9 |
| Draw | 56S / 28D |
| Prize money | $1,020,000 |
| Surface | Hard / outdoor |
| Location | Mason,Ohio, US[1] |
| Venue | Jack Nicklaus Sports Center |
| Champions | |
| Singles | |
 Stefan Edberg[2] | |
| Doubles | |
 Darren Cahill /Mark Kratzmann[3] | |
The1990 Thriftway ATP Championship, also known as the Cincinnati Open, was a tennis tournament played onoutdoor hard courts.[1] It was the 89th edition of thetournament and was part of theATP Super 9 of the1990 ATP Tour.[1] It took place inMason,Ohio, United States from August 6 through August 12, 1990.
The tournament had previously appeared on theTier III Series of theWTA Tour but no event was held from 1989 to 2003.
The singles field was headlined byWorld No. 1,Wimbledon champion,Tokyo outdoor,Los Angeles,Indian Wells Masters title holder andAustralian Open runner-up,1987 Cincinnati winnerStefan Edberg,San Francisco,Washington,Key Biscayne winner,French Open finalistAndre Agassi andBarcelona,Madrid andFrench Open winnerAndrés Gómez. Other top seeds wereRotterdam,Orlando titlistBrad Gilbert,Tokyo outdoor finalistAaron Krickstein,Jay Berger,Michael Chang andJohn McEnroe.
Stefan Edberg defeated
Brad Gilbert 6–1, 6–1[4]
Darren Cahill /Mark Kratzmann defeated
Neil Broad /
Gary Muller 7–6, 6–2.[5]