In the men's singles , Stefan Edberg defeated Jim Courier in the final . It was his first US Open title and his fifth Grand Slam success. With this triumph he replaced Boris Becker at the top of the world rankings, so he was able to end the year as number 1 for the second time in a row.
Monica Seles defeated Martina Navrátilová in the women's final . It was Seles' first triumph at the US Open and her fourth Grand Slam title. With this success she took over the leadership in the world rankings from Steffi Graf and ended the year as number 1.