Key Biscayne 1990 WTA
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Monica Seles | m. | Judith Wiesner | 6-1 6-2 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Judith Wiesner | m. | Conchita Martinez | 6-2 6-1 |
| Monica Seles | m. | Nathalie Tauziat | 6-3 6-1 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Conchita Martinez | m. | Gabriela Sabatini | 7-6 6-2 |
| Judith Wiesner | m. | Manuela Maleeva Fragniere | 2-6 6-1 6-2 |
| Monica Seles | m. | Nathalie Herreman | 6-3 6-1 |
| Nathalie Tauziat | m. | Claudia Porwik | 6-3 4-6 6-3 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Gabriela Sabatini | m. | Susan Sloane Lundy | 6-2 6-2 |
| Conchita Martinez | m. | Gretchen Magers | 4-6 7-5 6-4 |
| Manuela Maleeva Fragniere | m. | Raffaella Reggi Concato | 6-1 3-6 6-2 |
| Judith Wiesner | m. | Jana Novotna | 7-5 5-7 6-3 |
| Nathalie Herreman | m. | Jennifer Capriati | 6-2 6-4 |
| Monica Seles | m. | Rosalyn Fairbank | 6-3 6-4 |
| Claudia Porwik | m. | Bettina Fulco | 6-2 6-3 |
| Nathalie Tauziat | m. | Julie Halard Decugis | 6-4 6-3 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Gabriela Sabatini | m. | Maya Kidowaki | 6-2 6-3 |
| Susan Sloane Lundy | m. | Robin White | 6-3 6-3 |
| Gretchen Magers | m. | Liz Smylie | 6-2 6-4 |
| Conchita Martinez | m. | Karine Quentrec | 6-3 6-4 |
| Manuela Maleeva Fragniere | m. | Camille Benjamin | 6-1 6-2 |
| Raffaella Reggi Concato | m. | Manon Bollegraf | 6-7 6-3 6-1 |
| Judith Wiesner | m. | Terry Phelps | 6-1 5-7 6-2 |
| Jana Novotna | m. | Kathy Rinaldi Stunkel | 6-0 1-6 6-1 |
| Jennifer Capriati | m. | Patty Fendick | 2-4 RET |
| Nathalie Herreman | m. | Cathy Caverzasio | 6-3 6-4 |
| Rosalyn Fairbank | m. | Lori Mcneil | 6-2 2-6 6-3 |
| Monica Seles | m. | Laura Lapi | 6-1 6-1 |
| Claudia Porwik | m. | Helen Kelesi | 6-4 6-1 |
| Bettina Fulco | m. | Tami Whitlinger Jones | 7-6 3-6 7-6 |
| Nathalie Tauziat | m. | Nana Smith | 6-1 6-4 |
| Julie Halard Decugis | m. | Audra Keller | 6-3 4-6 6-0 |
Babak 64 besar
Babak 128 besar
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0