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