Her grandfather Johan Gabriel Oxenstierna won gold in modern pentathlon at the 1932 Summer Olympics in Los Angeles.

[3] She finished third at the 1983 European Ladies' Team Championship in Waterloo, Belgium, and fourth at the 1985 edition in Stavanger, Norway.

[4] She was part of the Swedish team, with Liselotte Neumann and Viveca Hoff, finishing seventh at the 1984 Espirito Santo Trophy in Hong Kong .

[7] Oxenstierna turned professional for the 1987 season and played on the Swedish Golf Tour where she was runner-up at the 1987 Delsjö Ladies Open.

She won the 1989 TEC Players Championship, to become the fifth Swedish LET winner after Kärstin Ehrnlund, Marie Wennersten, Liselotte Neumann and Sofia Grönberg.