Cincinnati Masters 1991 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Guy Forget | d. | Pete Sampras | 2-6 7-6(4) 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Guy Forget | d. | Boris Becker | 7-6(1) 4-6 6-3 |
| Pete Sampras | d. | Jim Courier | 6-2 7-5 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Boris Becker | d. | Andrei Cherkasov | 7-6(7) 6-3 |
| Guy Forget | d. | Derrick Rostagno | 7-6(6) 6-4 |
| Jim Courier | d. | Brad Gilbert | 6-3 6-3 |
| Pete Sampras | d. | Stefan Edberg | 6-3 6-3 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Boris Becker | d. | Malivai Washington | 6-4 6-4 |
| Andrei Cherkasov | d. | David Wheaton | 6-3 6-2 |
| Derrick Rostagno | d. | Ivan Lendl | 7-6(5) 3-6 6-3 |
| Guy Forget | d. | Gianluca Pozzi | 6-4 6-4 |
| Brad Gilbert | d. | Andre Agassi | 7-6(7) 6-7(6) 6-4 |
| Jim Courier | d. | Michael Chang | 7-5 6-2 |
| Pete Sampras | d. | Wayne Ferreira | 6-1 6-4 |
| Stefan Edberg | d. | Amos Mansdorf | 6-1 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Boris Becker | d. | Jean Philippe Fleurian | 6-3 6-3 |
| Malivai Washington | d. | Aaron Krickstein | 6-1 6-4 |
| Andrei Cherkasov | d. | Peter Lundgren | 6-4 6-2 |
| David Wheaton | d. | Andres Gomez | 7-5 6-2 |
| Ivan Lendl | d. | Patrick McEnroe | 6-1 6-3 |
| Derrick Rostagno | d. | Chris Garner | 4-6 6-3 6-4 |
| Gianluca Pozzi | d. | Jakob Hlasek | 6-4 7-5 |
| Guy Forget | d. | Marcos Ondruska | 6-2 6-2 |
| Andre Agassi | d. | Petr Korda | 7-5 2-6 6-2 |
| Brad Gilbert | d. | Jaime Yzaga | 6-2 7-5 |
| Michael Chang | d. | Danie Visser | 6-1 6-3 |
| Jim Courier | d. | Mikael Pernfors | 6-3 6-1 |
| Pete Sampras | d. | Wally Masur | 7-6(3) 6-4 |
| Wayne Ferreira | d. | Jason Stoltenberg | 6-2 3-6 6-3 |
| Amos Mansdorf | d. | Anders Jarryd | 6-4 6-1 |
| Stefan Edberg | d. | Grant Stafford | 6-2 6-0 |