Philadelphia 1991 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Ivan Lendl | d. | Pete Sampras | 5-7 6-4 6-4 3-6 6-3 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Ivan Lendl | d. | Brad Gilbert | 6-4 3-6 6-4 |
| Pete Sampras | d. | John McEnroe | 6-2 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Ivan Lendl | d. | Michael Stich | 6-2 7-6(7) |
| Brad Gilbert | d. | Kevin Curren | 4-6 6-3 6-0 |
| John McEnroe | d. | Aki Rahunen | 7-5 6-3 |
| Pete Sampras | d. | Petr Korda | 6-4 6-0 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Ivan Lendl | d. | Gary Muller | 7-6(5) 6-3 |
| Michael Stich | d. | Chuck Adams | 6-4 6-4 |
| Brad Gilbert | d. | Paul Haarhuis | 7-6(3) 6-1 |
| Kevin Curren | d. | Darren Cahill | 6-7(7) 6-3 7-6(2) |
| Aki Rahunen | d. | Jim Grabb | 6-7(3) 6-1 6-3 |
| John McEnroe | d. | Wally Masur | 7-6(2) 6-4 |
| Petr Korda | d. | Wayne Ferreira | 7-5 7-6(3) |
| Pete Sampras | d. | Malivai Washington | 6-3 7-6(7) |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Ivan Lendl | d. | Guillaume Raoux | 6-1 7-5 |
| Gary Muller | d. | Renzo Furlan | 6-7(5) 6-3 6-4 |
| Chuck Adams | d. | Derrick Rostagno | 7-5 6-3 |
| Michael Stich | d. | Cristiano Caratti | 6-2 6-4 |
| Brad Gilbert | d. | Tomas Carbonell | 6-3 6-3 |
| Paul Haarhuis | d. | Udo Riglewski | 6-1 6-3 |
| Darren Cahill | d. | Thomas Hogstedt | 6-4 6-2 |
| Kevin Curren | d. | Jay Berger | 6-1 6-2 |
| Jim Grabb | d. | Jim Courier | 6-2 6-4 |
| Aki Rahunen | d. | Mark Koevermans | 6-1 6-2 |
| Wally Masur | d. | Christo Van Rensburg | 4-6 7-6(1) 7-6(5) |
| John McEnroe | d. | Alexander Mronz | 6-1 6-2 |
| Wayne Ferreira | d. | Tim Mayotte | 6-4 6-2 |
| Petr Korda | d. | Jaime Yzaga | 6-4 6-3 |
| Malivai Washington | d. | Patrick McEnroe | 6-0 6-3 |
| Pete Sampras | d. | Milan Srejber | 6-2 7-5 |
Round of 64
| Winner | Loser | Score | |
|---|---|---|---|
| Guillaume Raoux | d. | Dan Goldie | 6-4 7-6(7) |
| Renzo Furlan | d. | Veli Paloheimo | 4-6 7-5 6-4 |
| Chuck Adams | d. | Grant Stafford | 6-2 6-2 |
| Cristiano Caratti | d. | Jeff Tarango | 7-5 6-4 |
| Tomas Carbonell | d. | Gilad Bloom | 6-1 6-1 |
| Udo Riglewski | d. | Glenn Layendecker | 6-3 6-7(3) 6-0 |
| Thomas Hogstedt | d. | Ramesh Krishnan | 6-3 6-1 |
| Kevin Curren | d. | Mark Kratzmann | 6-3 6-7(4) 6-4 |
| Jim Grabb | d. | Patrik Kuhnen | 6-4 6-4 |
| Aki Rahunen | d. | Grant Connell | 7-6(11) 7-5 |
| Christo Van Rensburg | d. | Brad Pearce | 6-2 6-1 |
| Alexander Mronz | d. | Horacio De La Pena | 6-2 6-2 |
| Wayne Ferreira | d. | Jean Philippe Fleurian | 7-5 6-4 |
| Jaime Yzaga | d. | Anders Jarryd | 6-3 6-3 |
| Malivai Washington | d. | Alex Antonitsch | 7-6(1) 4-6 6-0 |
| Milan Srejber | d. | Scott Davis | 6-4 6-7(2) 6-3 |