Philadelphia 1991 WTA
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Monica Seles | d. | Jennifer Capriati | 7-5 6-1 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Monica Seles | d. | Arantxa Sanchez Vicario | 6-1 6-2 |
| Jennifer Capriati | d. | Gabriela Sabatini | 6-3 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Monica Seles | d. | Zina Garrison | 7-6 6-0 |
| Arantxa Sanchez Vicario | d. | Brenda Schultz Mccarthy | 6-7 6-1 6-4 |
| Jennifer Capriati | d. | Manuela Maleeva Fragniere | 6-3 6-2 |
| Gabriela Sabatini | d. | Conchita Martinez | 6-3 6-0 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Monica Seles | d. | Marianne Werdel Witmeyer | 7-5 6-1 |
| Zina Garrison | d. | Nicole Bradtke | 6-4 6-4 |
| Arantxa Sanchez Vicario | d. | Tami Whitlinger Jones | 6-0 3-6 6-2 |
| Brenda Schultz Mccarthy | d. | Mareen Louie Harper | 6-3 6-4 |
| Manuela Maleeva Fragniere | d. | Amy Frazier | 6-3 6-3 |
| Jennifer Capriati | d. | Lori Mcneil | 7-6 6-7 6-2 |
| Conchita Martinez | d. | Helena Sukova | 6-3 6-2 |
| Gabriela Sabatini | d. | Natalia Zvereva | 7-6 2-6 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Marianne Werdel Witmeyer | d. | Larisa Savchenko | 4-6 6-4 7-6 |
| Nicole Bradtke | d. | Rosalyn Fairbank | 6-3 6-2 |
| Zina Garrison | d. | Joanne Moore | 6-0 6-0 |
| Tami Whitlinger Jones | d. | Shaun Stafford | 6-0 7-5 |
| Mareen Louie Harper | d. | Michele Wreem | 6-3 6-0 |
| Brenda Schultz Mccarthy | d. | Mary Joe Fernandez | 6-1 2-6 6-4 |
| Manuela Maleeva Fragniere | d. | Liz Smylie | 6-1 6-2 |
| Amy Frazier | d. | Ginger Helgeson | 6-0 6-2 |
| Lori Mcneil | d. | Eva Sviglerova | 6-1 1-6 6-2 |
| Conchita Martinez | d. | Catarina Lindqvist Ryan | 6-2 6-4 |
| Helena Sukova | d. | Elena Brioukhovets | 6-3 6-4 |
| Natalia Zvereva | d. | Sabine Appelmans | 6-4 6-2 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0