Oklahoma 1998 WTA
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Venus Williams | m. | Joannette Kruger | 6-3 6-2 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Venus Williams | m. | Lindsay Davenport | 6-7 6-2 6-3 |
| Joannette Kruger | m. | Sarah Pitkowski Malcor | 3-6 6-3 6-4 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Lindsay Davenport | m. | Lea Ghirardi | 6-1 6-4 |
| Venus Williams | m. | Francesca Lubiani | 7-6 6-4 |
| Joannette Kruger | m. | Serena Williams | 6-1 6-1 |
| Sarah Pitkowski Malcor | m. | Sandrine Testud | 6-3 6-4 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Lindsay Davenport | m. | Julie Halard Decugis | 6-3 6-3 |
| Lea Ghirardi | m. | Amy Frazier | 2-6 6-3 6-3 |
| Venus Williams | m. | Mariaan De Swardt | 6-1 6-3 |
| Francesca Lubiani | m. | Yuka Yoshida | 6-2 6-4 |
| Serena Williams | m. | Annabel Ellwood | 6-1 6-3 |
| Joannette Kruger | m. | Meredith Mcgrath | W/O |
| Sarah Pitkowski Malcor | m. | Tara Snyder | 6-3 6-4 |
| Sandrine Testud | m. | Miho Saeki | 6-3 6-2 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Julie Halard Decugis | m. | Kristie Boogert | 6-3 6-2 |
| Lea Ghirardi | m. | Emmanuelle Gagliardi | 2-6 6-2 6-4 |
| Amy Frazier | m. | Kerry Anne Guse | 4-6 7-5 7-5 |
| Venus Williams | m. | Nana Smith | 6-3 6-2 |
| Mariaan De Swardt | m. | Olga Barabanschikova | 7-6 6-2 |
| Francesca Lubiani | m. | Rika Hiraki | 4-6 7-5 6-1 |
| Yuka Yoshida | m. | Fang Li | 6-3 6-2 |
| Serena Williams | m. | Katrina Adams | 6-1 6-2 |
| Annabel Ellwood | m. | Alexandra Stevenson | 6-4 6-4 |
| Meredith Mcgrath | m. | Patricia Hy Boulais | 6-3 5-7 6-2 |
| Joannette Kruger | m. | Rachel Mcquillan | 3-6 6-2 7-5 |
| Sarah Pitkowski Malcor | m. | Alexia Dechaume Balleret | 7-6 7-6 |
| Tara Snyder | m. | Sandra Cacic | 6-4 7-6 |
| Miho Saeki | m. | Laura Golarsa | 6-2 3-6 7-5 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0