Buding began playing tennis at age 11 in Buenos Aires, Argentina, where the family had moved to after World War II.

[3][4] Buding became the French Championships girls' singles champion in 1957 after a victory in the final against Pierrette Seghers.

[7] Buding won the women's doubles event at the Egyptian International Championships in 1957 partnering her sister Edda.

[2][4] Her brother Ingo was a two-time junior singles champion at the French Championships, while her sister Edda reached three Grand Slam doubles finals.

[9] With her siblings Edda and Ingo she ran a tennis school in Bandol, France, in the late 1970s which their father had founded.