Philadelphia 1998 WTA
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Steffi Graf | m. | Lindsay Davenport | 4-6 6-3 6-4 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Lindsay Davenport | m. | Monica Seles | 6-3 6-3 |
| Steffi Graf | m. | Nathalie Tauziat | 6-1 6-4 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Lindsay Davenport | m. | Amy Frazier | 5-7 6-3 6-3 |
| Monica Seles | m. | Natalia Zvereva | 6-0 6-1 |
| Nathalie Tauziat | m. | Amanda Coetzer | 6-3 4-6 6-4 |
| Steffi Graf | m. | Martina Hingis | 6-2 4-6 6-0 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Lindsay Davenport | m. | Kimberly Po Messerli | 6-1 6-2 |
| Amy Frazier | m. | Patty Schnyder | 6-3 6-1 |
| Natalia Zvereva | m. | Jana Novotna | 6-4 6-4 |
| Monica Seles | m. | Ai Sugiyama | 6-3 7-5 |
| Nathalie Tauziat | m. | Lisa Raymond | 6-2 7-6 |
| Amanda Coetzer | m. | Arantxa Sanchez Vicario | 6-4 6-1 |
| Steffi Graf | m. | Elena Likhovtseva | 6-7 6-2 6-4 |
| Martina Hingis | m. | Brie Rippner | 6-4 6-1 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Kimberly Po Messerli | m. | Corina Morariu | 6-1 6-3 |
| Amy Frazier | m. | Iva Majoli | 2-6 6-2 6-4 |
| Patty Schnyder | m. | Silvia Farina Elia | 7-6 4-6 6-4 |
| Natalia Zvereva | m. | Tara Snyder | 6-2 6-1 |
| Ai Sugiyama | m. | Maria Vento Kabchi | 6-1 6-2 |
| Monica Seles | m. | Irina Spirlea | 6-3 6-4 |
| Nathalie Tauziat | m. | Anke Huber | 6-3 6-2 |
| Lisa Raymond | m. | Els Callens | 6-3 6-3 |
| Amanda Coetzer | m. | Sandra Cacic | 6-2 6-0 |
| Elena Likhovtseva | m. | Sandrine Testud | 7-6 6-7 1-0 RET |
| Steffi Graf | m. | Mary Joe Fernandez | 6-3 7-6 |
| Brie Rippner | m. | Alexandra Fusai | 7-6 6-2 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0