# 1990 Thriftway ATP Championships – Singles

Stefan Edberg defeated the defending champion Brad Gilbert in the final, 6–1, 6–1 to win the singles' tennis title at the 1990 Cincinnati Masters.

## Seeds

The top eight seeds received a bye to the second round.
* Stefan Edberg (champion)
* Andre Agassi (third round)
* Andrés Gómez (semifinals)
* Brad Gilbert (final)
* Aaron Krickstein (third round)
* Jay Berger (third round)
* Michael Chang (quarterfinals)
* John McEnroe (third round)
* Andrei Chesnokov (second round)
* Pete Sampras (third round)
* Jim Courier (quarterfinals)
* Jonas Svensson (first round)
* Guy Forget (third round)
* Tim Mayotte (first round)
* Richard Fromberg (quarterfinals)
* Petr Korda (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Stefan Edberg | 7 | 6 | | | | |
| 3/WC | Andrés Gómez | 5 | 3 | | | | |
| 3/WC | Andrés Gómez | 5 | 3 | 1 | Stefan Edberg | 6 | 6 |
| | | | | 4 | Brad Gilbert | 1 | 1 |
| 4 | Brad Gilbert | 6 | 6 | 4 | Brad Gilbert | 1 | 1 |
| | Scott Davis | 3 | 4 | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 1 | S Edberg | 6 | 6 | 6 | | | | | | | | | |
| | M Šrejber | 6 | 7 | | | M Šrejber | 4 | 7 | 4 | | | | | | | | | |
| Q | J Ross | 4 | 6 | | | | | | | 1 | S Edberg | 6 | 6 | | | | | |
| Q | R Seguso | 6 | 4 | 4 | | | | | | | A Sznajder | 1 | 0 | | | | | |
| | A Sznajder | 4 | 6 | 6 | | A Sznajder | 6 | 4 | 6 | | | | | | | | | |
| Q | M Ondruska | 6 | 4 | 7 | Q | M Ondruska | 3 | 6 | 4 | | | | | | | | | |
| 16 | P Korda | 3 | 6 | 5 | | | | | | | | | | 1 | S Edberg | 3 | 6 | 6 |
| 10 | P Sampras | 7 | 6 | | | | | | | | | | | 7 | M Chang | 6 | 3 | 4 |
| WC | D Pate | 6 | 4 | | 10 | P Sampras | 6 | 1 | 7 | | | | | | | | | |
| | J Pugh | 3 | 7 | 6 | | J Pugh | 1 | 6 | 6 | | | | | | | | | |
| | M Kratzmann | 6 | 5 | 0 | | | | | | 10 | P Sampras | 5 | 4 | | | | | |
| | A Mansdorf | 6 | 6 | | | | | | | 7 | M Chang | 7 | 6 | | | | | |
| | A Antonitsch | 4 | 1 | | | A Mansdorf | 0 | 4 | | | | | | | | | | |
| | | | | | 7 | M Chang | 6 | 6 | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3/WC | A Gómez | 6 | 7 | | | | | | | | | |
| | P Chamberlin | 4 | 4 | | | D Goldie | 3 | 6 | | | | | | | | | |
| | D Goldie | 6 | 6 | | | | | | | 3/WC | A Gómez | 7 | 6 | | | | |
| | G Connell | 4 | 6 | 3 | | | | | | | D Cahill | 6 | 3 | | | | |
| | M Wilander | 6 | 3 | 6 | | M Wilander | 3 | 2 | | | | | | | | | |
| | D Cahill | 1 | 6 | 7 | | D Cahill | 6 | 6 | | | | | | | | | |
| 14 | T Mayotte | 6 | 4 | 5 | | | | | | | | | | 3/WC | A Gómez | 6 | 6 |
| 11 | J Courier | 6 | 6 | 6 | | | | | | | | | | 11 | J Courier | 1 | 4 |
| | K Jones | 3 | 7 | 3 | 11 | J Courier | 6 | 2 | 7 | | | | | | | | |
| | T Högstedt | 2 | 6 | 4 | WC | J Stoltenberg | 2 | 6 | 6 | | | | | | | | |
| WC | J Stoltenberg | 6 | 3 | 6 | | | | | | 11 | J Courier | 6 | 6 | | | | |
| Q | N Pereira | 6 | 6 | | | | | | | 6 | J Berger | 2 | 2 | | | | |
| Q | G Pozzi | 1 | 3 | | Q | N Pereira | 2 | 7 | 4 | | | | | | | | |
| | | | | | 6 | J Berger | 6 | 6 | 6 | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 5 | A Krickstein | 6 | 7 | | | | | | | | | | |
| Q | J Carlsson | 7 | 7 | | Q | J Carlsson | 2 | 6 | | | | | | | | | | |
| | T Champion | 6 | 5 | | | | | | | 5 | A Krickstein | 4 | 2 | | | | | |
| | A Rahunen | 6 | 7 | 1 | | | | | | | J Hlasek | 6 | 6 | | | | | |
| | J Arias | 7 | 6 | 6 | | J Arias | 6 | 2 | 3 | | | | | | | | | |
| | J Hlasek | 6 | 4 | 7 | | J Hlasek | 3 | 6 | 6 | | | | | | | | | |
| 12 | J Svensson | 4 | 6 | 5 | | | | | | | | | | | J Hlasek | 6 | 1 | 5 |
| 13 | G Forget | 6 | 6 | | | | | | | | | | | 4 | B Gilbert | 2 | 6 | 7 |
| | K Curren | 3 | 4 | | 13 | G Forget | 4 | 6 | 6 | | | | | | | | | |
| | T Witsken | 6 | 6 | | | T Witsken | 6 | 3 | 3 | | | | | | | | | |
| Q | T Woodbridge | 2 | 4 | | | | | | | 13 | G Forget | 2 | 1 | | | | | |
| WC | L Shiras | 4 | 6 | | | | | | | 4 | B Gilbert | 6 | 6 | | | | | |
| | D Wheaton | 6 | 7 | | | D Wheaton | 3 | 2 | | | | | | | | | | |
| | | | | | 4 | B Gilbert | 6 | 6 | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | J McEnroe | 7 | 6 | | | | | | | | | | |
| | J-P Fleurian | 6 | 3 | 6 | | J-P Fleurian | 6 | 2 | | | | | | | | | | |
| | C van Rensburg | 3 | 6 | 3 | | | | | 8 | J McEnroe | 3 | 7 | 4 | | | | | |
| | G Muller | 6 | 1 | 1 | | | | | | S Davis | 6 | 5 | 6 | | | | | |
| | S Davis | 2 | 6 | 6 | | S Davis | 6 | 6 | | | | | | | | | | |
| | R Krishnan | 4 | 7 | 2 | 9 | A Chesnokov | 3 | 2 | | | | | | | | | | |
| 9 | A Chesnokov | 6 | 6 | 6 | | | | | | | | | | | S Davis | 4 | 6 | 7$^7$ |
| 15 | R Fromberg | 3 | 6 | 6 | | | | | | | | | | 15 | R Fromberg | 6 | 4 | 6$^3$ |
| | K Nováček | 6 | 4 | 4 | 15 | R Fromberg | 6 | 6 | | | | | | | | | | |
| WC | J Rive | 7 | 3 | 6 | WC | J Rive | 3 | 2 | | | | | | | | | | |
| | J Bates | 5 | 6 | 4 | | | | | 15 | R Fromberg | 6 | 3 | 6 | | | | | |
| | R Reneberg | 6 | 6 | | | | | | 2 | A Agassi | 4 | 6 | 3 | | | | | |
| | G Layendecker | 3 | 2 | | | R Reneberg | 4 | 3 | | | | | | | | | | |
| | | | | | 2 | A Agassi | 6 | 6 | | | | | | | | | | |