1990 US Open – Women's singles
| Women's singles | |
|---|---|
| 1990 US Open | |
| Champion | Gabriela Sabatini |
| Runner-up | Steffi Graf |
| Score | 6–2, 7–6(7–4) |
| Draw | 128 |
| Seeds | 16 |
Gabriela Sabatini defeated two-time defending champion Steffi Graf in the final, 6–2, 7–6(7–4) to win the women's singles tennis title at the 1990 US Open. It was her first and only major singles title. The final was a rematch of the 1988 final and the 1989 semifinals, both won by Graf.